I have been working on a icon theme and creating it via Calibre's "Create a Calibre icon theme". The feature was working fine up to this latest, 10th anniversary update. Now when I run the function I get an error I do not understand.
Image may be NSFW.
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:help: Can anyone please shed some light on it for me?
Image may be NSFW.Image may be NSFW.
Clik here to view.

:help: Can anyone please shed some light on it for me?
Clik here to view.
