I was enabling http/2 and I for some stupid reason reinstalled Apache without backing up it's files.
I spent a lot of time now trying to recreate the Apache files that were automatically generated when I crea...
Thank you @jarland and @X40C for contribution!
What ended up being and issue is next error message:
Considering conflict mpm_event for mpm_prefork:
ERROR: Module mpm_event is enabled - cannot proceed due to conflict...