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An item with the same key has already been added

Posted: Wed Dec 03, 2025 10:39 pm
by PeterG
I'm getting this error message in the builder when I try to edit the SQL source. Now the report is empty when I run it in the application. It does render in the preview mode of the builder. But that doesn't do me any good if I can't use it in the real world app.

I think this occurred after I clicked on something and the databank duplicated itself. I deleted the duplicate and now this problem.

How do I fix this error?

Re: An item with the same key has already been added

Posted: Thu Dec 04, 2025 8:12 am
by Lech Kulikowski
Hello,

Could you send a sample that reproduces the issue for analysis?

Thank you.