Upgrade to 12.1.0
Upgrading the database
If your Zonemaster database was created by a Zonemaster-Backend version lower than v12.1.0, and not upgraded, use the following instructions.
You may need to run these command with root privileges.
Migration script
perl `perl -MFile::ShareDir -le 'print File::ShareDir::dist_dir("Zonemaster-Backend")'`/patch/patch_db_schema_version_1.pl