Apollas Posted December 15, 2014 Report Share Posted December 15, 2014 Hello, When I open a project or close Hardware configuration I'm getting a message that says: prvChangeGuiByPLCType 9Invalid Tools collection index (attached). I'm new to Unitronics and I have no idea what's wrong. Thanks for your help. Regards, Giedrius K. Quote Link to comment Share on other sites More sharing options...
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