Engraving Lines - an error occurred

[Krikor]

(12-15-2020, 09:17 PM)Ofnuts Wrote: No message in the Gimp console? or in a dialog if you don't use the console?

In addition to the message I posted in the previous post, there is also the message that appears in the Error console window.
   
In the layers window, an empty layer with the name 'Mask layer' is created.

I tried to vary the settings of the plugin, the path, but it always gives an error.
   

and...
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  GIMP Warning

Plug-in 'Engraving lines with varying thickness' left image undo in inconsistent state, closing open undo groups.

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