Today I got this report from my SMT:
However, if you try and disable that repository with smt-catalogs -d, SMT is gonna quit your action with “0 repositories disabled“. Since I didn’t want the error to show up again, here’s a quick way on how to disable it.
Open up a mysql shell (mysql -u root -p preferably) and enter those queries:
Afterwards, if you rerun smt-mirror the warning message should be gone.