You wrote about the “test section parameters”. Your publishing settings may also be relevant.
When you open the course in moodle, and take a look at the browsers developers tools (F12) when you click the button it may show error messages that allow to gather some more information about the error.
If you shared the AWT file along with the related folders “images”, “media” etc. I (or someone else) could take a look at the project and maybe find the error.