Add this qualifier

src/main/java/appeng/me/GridNode.java

@@ -668,7 +668,7 @@ public class GridNode implements IGridNode, IPathItem
 
 	public int getLastUsedChannels()
 	{
-		return lastUsedChannels;
+		return this.lastUsedChannels;
 	}
 
 	private static class MachineSecurityBreak implements IWorldCallable<Void>