I am a ASp.NET beginner (well, maybe a bit over beginner) and anyway I was forced to format my HDD (2.5 years is a long time).
Anyway, I stumbled on a error.
I am using this application for many months and never got anything like this.
You can check the error in a screenshot below.
Please help because I really need to finish this app.
Thank you very much in advance!
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