Active Query Builder support area

Query building

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I built active query builder custom query and I got the error :

An item with the same key has already been added.

Also my database name and server name same,

Can you help me? Thank you..

Andrey Zavyalov, PM

Hello, Belkis.

As I said in another topic, such questions are hard to answer without looking at the code. 

Please submit a private ticket (or send an e-mail to and attach a small test project in which this problem could be reproduced. We'll be glad to review it and help.