Fixed probable clan notice bypass exploit.

L2J_Mobius_1.0_Ertheia/java/org/l2jmobius/gameserver/model/clan/Clan.java

@@ -1218,7 +1218,7 @@ public class Clan implements IIdentifiable, INamable
 	
 	public void setNoticeEnabled(boolean enabled)
 	{
-		storeNotice(_notice, enabled);
+		storeNotice(getNotice(), enabled);
 	}
 	
 	public void setNotice(String notice)
@@ -1237,6 +1237,14 @@ public class Clan implements IIdentifiable, INamable
 		{
 			return "";
 		}
+		
+		// Bypass exploit check.
+		final String text = _notice.toLowerCase();
+		if (text.contains("action") && text.contains("bypass"))
+		{
+			return "";
+		}
+		
 		return _notice;
 	}