Hi @VB.NET Developer VSTO & more ,
What version of Visio did you use?
I found this feature is not available in Visio, you can also get the same result from this thread:
https://superuser.com/questions/1178126/displaying-office-2016-add-in-errors-for-visio
In my opinion, you can try to give a feedback about this feature in Visio:
https://support.microsoft.com/en-us/office/how-do-i-give-feedback-on-microsoft-office-2b102d44-b43f-4dd2-9ff4-23cf144cfb11
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Hope the information is helpful.
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