I created a custom GQI datasource (Automation script) and would like to use a custom dll. (not a nuget)

Automation script is valid in cube (no errors when hitting the validation)
The dll location is referenced in the script
But when using it in low code app I get an assembly not found error:

When copy the content of the dll into the datasource script, it does work. but this is not maintainable on the log run.

is there any logging I can check to know why this is failing?