I get this error every now and then, especially when I open a previously working definition on a new computer, except I can't figure out how to fix it this time (usually I just recreate things until the error magically goes away)
Using KUKA|prc(1) Version: 2014-03-31
Code Select
1. Solution exception:[A]KUKA.KUKAClasses.KUKAprcCommand cannot be cast to [B]KUKA.KUKAClasses.KUKAprcCommand. Type A originates from 'KUKA, Version=1.0.5203.20661, Culture=neutral, PublicKeyToken=null' in the context 'LoadNeither' in a byte array. Type B originates from 'KUKA, Version=1.0.5203.20661, Culture=neutral, PublicKeyToken=null' in the context 'LoadNeither' in a byte array.Using KUKA|prc(1) Version: 2014-03-31