Your component is full of errors. It only works correctly with Cassiopea. It doesn't want to work with any other template. I don't think it's a good component if it only works with a basic template. You should write in its description that it only works correctly with the default Joomla template. Or, if it were a modern component, it would work with any template. And the templates from JoomlArt are neither complicated nor sophisticated.

Your components are full of problems on all types of templates, which is why they don't work correctly.

For example, in the Forum:

1. Starting new topics - the page template doesn't load + the buttons are not displayed correctly, it looks completely wrong.
2. Attachments / Choose file cannot be disabled - I don't want anyone to upload anything and there is no option to disable it.
3. Toolbar doesn't work, especially if you enter submenus: it works in View your topics, but in View your activity, my reputation, profile summary, or user, it doesn't work.
4. Your modules do not display graphic elements correctly.

And I haven't discovered all the issues yet. The rest of the components also have errors for the same reasons. They are incompatible with other templates.

They work in Cassiopea. But I don't think this is up-to-date and correct. A modern and proper component that we pay money for should do what we expect it to do, as the client wants. So, write in the description that these components only work in Cassiopea and that's it.

I want to know if you are interested in solving the problem or if I should look for other options.
You have administrator access on the website so you can see for yourself.