I have project with PHP and MySQL database version 8.0.36 on remote server.
The rest of the requests go fine, but one, seemingly ordinary one, causes the following error.
Maybe you have some ideas about the cause of the problem?
Can you post a screenshot of how is your join set up exactly?
I found a mistake - I’m so used to wapppler usually automatically inserting JOIN parameters that I didn’t even notice that it was empty 
Thank you @Teodor
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