[Feature] Throw exceptions instead of logging errors manually

[IceToast]

Feature Description

At the moment whenever an error occurs while using controlpanel we usually just log the error in the error log and may or may not return the correct http code. Usually it's just a HTTP 500 which does say nothing.

Solution Idea

We should create and use custom exceptions to be thrown when specific errors happen. That would not only make debugging easier but would also help users to fix their own issues.

This is also a way better strategy when implementing (and using) the controlpanel api.

Additional Info

No response