Due to a bug in the database upgrade, I have now checked multiple scenarios why it happened. It should be solved.
Also made it possible to access limited functions during database errors for restoring older databases. Version 2 and below is not supported anymore (very old databases: 2019-06-19 and earlier). They will be deleted (but not from the backup) and a new fresh database will be created.
Changed an IF statement in functions.php to address an issue with two arrays.
Due to a bug in the database upgrade, I have now checked multiple scenarios why it happened. It should be solved.
Also made it possible to access limited functions during database errors for restoring older databases. Version 2 and below is not supported anymore (very old databases: 2019-06-19 and earlier). They will be deleted (but not from the backup) and a new fresh database will be created.
Changed an IF statement in functions.php to address an issue with two arrays.