Error message shows after changing themes in SuperMemo 18

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From: Izzaldin
Country: Iraq
Sent: {{{Sent}}}
Subject: Changing Theme

Question:

Why when I change the theme of SuperMemo I get an error. The program works after that and the theme is working.

Answer:

This is a harmless bug that will probably stay in SuperMemo.

(2019-12-19-周四 22:43:29)

Restart the program and you'll be fine

technical

We have invested many hours in trying to eliminate this error alert, and it is almost certainly an inherent issue in the implementation of themes in the VCL library used by Delphi (Pascal compiler used by SuperMemo). The bug could easily be avoided by requiring a restart of SuperMemo when a theme changes, but this would be very inconvenient for the user. This is why we opted for a minor bug over a major inconvenience.