Removed stream usage from SkillCaster.

L2J_Mobius_01.0_Ertheia/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_02.5_Underground/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_03.0_Helios/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_04.0_GrandCrusade/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_05.0_Salvation/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_05.5_EtinasFate/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_06.0_Fafurion/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_07.0_PreludeOfWar/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_08.2_Homunculus/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1070,12 +1070,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_09.2_ReturnOfTheQueenAnt/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1102,12 +1102,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_10.2_MasterClass/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1102,12 +1102,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_10.3_MasterClass/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1102,12 +1102,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Classic_1.0/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Classic_1.5_AgeOfSplendor/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Classic_2.0_Saviors/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Classic_2.5_Zaken/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Classic_2.7_Antharas/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Classic_2.8_SevenSigns/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Classic_2.9.5_Saviors/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Classic_2.9_SecretOfEmpire/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Classic_3.0_TheKamael/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1069,12 +1069,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Classic_Interlude/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1064,12 +1064,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Essence_4.2_DwellingOfSpirits/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1070,12 +1070,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Essence_5.2_FrostLord/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1102,12 +1102,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Essence_6.2_Vanguard/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1135,12 +1135,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))

L2J_Mobius_Essence_6.3_Crusader/java/org/l2jmobius/gameserver/model/skill/SkillCaster.java

@@ -1135,12 +1135,25 @@ public class SkillCaster implements Runnable
 		if ((weapon != null) && weapon.useWeaponSkillsOnly() && !caster.canOverrideCond(PlayerCondOverride.SKILL_CONDITIONS))
 		{
 			final List<ItemSkillHolder> weaponSkills = weapon.getSkills(ItemSkillType.NORMAL);
-			if ((weaponSkills != null) && weaponSkills.stream().noneMatch(sh -> sh.getSkillId() == skill.getId()))
+			if (weaponSkills != null)
+			{
+				boolean hasSkill = false;
+				for (ItemSkillHolder holder : weaponSkills)
+				{
+					if (holder.getSkillId() == skill.getId())
+					{
+						hasSkill = true;
+						break;
+					}
+				}
+				
+				if (!hasSkill)
 				{
 					caster.sendPacket(SystemMessageId.THAT_WEAPON_CANNOT_USE_ANY_OTHER_SKILL_EXCEPT_THE_WEAPON_S_SKILL);
 					return false;
 				}
 			}
+		}
 		
 		// Check if a spell consumes an item.
 		if ((skill.getItemConsumeId() > 0) && (skill.getItemConsumeCount() > 0) && (caster.getInventory() != null))