Is there some kind of a setting to let the user write the link in the explorer with small caps or all caps?
If the user types “mickeyvirtualairlines.ml/MVA_Manager” the page is shown but if the user writes “mickeyvirtualairlines.ml/mva_manager” the 404 error page is shown.
Case sensitivity is enforced by the file system. Which is tech babble to say that all web hosting servers have case insensitive URLs and it’s literally impossible from a technical level to customize it.