Editor line number error

Hello,
some times I get error while closeing application, sometime just form.
I attacehd screenshot. Black rectangle area is line number place, after click to ok button of error message, work normal, but more often same error creation. acually whlie closeing. IDE closeing as well
regards

[[i] Last edited by  freeman at 2017-8-2 17:20 [/i]]

Could you paste the full stack information here?

[111CF7DE]{CnWizards_D102T.dll} Unknown function at INITWIZARD0001 + $CA1EE

This line seems a CnWizards Hook and no other clues. Could you paste the full stack to let me check whether it comes from a painting action?