Fixes #2599: Missing instanceof EntityPlayerMP test.

src/main/java/appeng/container/guisync/SyncData.java

@@ -96,9 +96,12 @@ public class SyncData
 			o.sendProgressBarUpdate( this.source, this.channel, ( (Enum) val ).ordinal() );
 		}
 		else if( val instanceof Long || val.getClass() == long.class )
+		{
+			if( o instanceof EntityPlayerMP )
 			{
 				NetworkHandler.instance.sendTo( new PacketProgressBar( this.channel, (Long) val ), (EntityPlayerMP) o );
 			}
+		}
 		else if( val instanceof Boolean || val.getClass() == boolean.class )
 		{
 			o.sendProgressBarUpdate( this.source, this.channel, ( (Boolean) val ) ? 1 : 0 );

src/main/java/appeng/container/implementations/ContainerMEMonitorable.java

@@ -186,7 +186,9 @@ public class ContainerMEMonitorable extends AEBaseContainer implements IConfigMa
 				if( sideLocal != sideRemote )
 				{
 					this.clientCM.putSetting( set, sideLocal );
-					for( final Object crafter : this.listeners )
+					for( final IContainerListener crafter : this.listeners )
+					{
+						if( crafter instanceof EntityPlayerMP )
 						{
 							try
 							{
@@ -199,6 +201,7 @@ public class ContainerMEMonitorable extends AEBaseContainer implements IConfigMa
 						}
 					}
 				}
+			}
 
 			if( !this.items.isEmpty() )
 			{
@@ -258,6 +261,7 @@ public class ContainerMEMonitorable extends AEBaseContainer implements IConfigMa
 
 			super.detectAndSendChanges();
 		}
+
 	}
 
 	protected void updatePowerStatus()