First you need to make sure you are able to connect into the database. Since you are having an error there you need to fix it before doing anything else (such as debugging the non query). For mysql i believe you must connect using ODBC which requires special software to be installed on the client side (make sure it is 32bit)
Here is a very helpful thread on how to connect to mysql with uipath: Is it possible to connect to mysql database using uipath? If yes? How to connect to MySQL Database? - #14 by Aman_Mongar1
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