[ovirt-users] 4.3 -> 4.4 upgrade failed

Hello! Trying to upgrade old 4.3 installation to 4.4 using this documentation: https://www.ovirt.org/documentation/upgrade_guide/#Upgrading_the_Manager_... On the target engine service host got this error during restore operation: Start of engine-backup with mode 'restore' scope: all archive file: backup.bck log file: /var/log/ovirt-engine-backup/ovirt-engine-restore-20230224162609.log Preparing to restore: - Unpacking file 'backup.bck' Restoring: - Files ------------------------------------------------------------------------------ Please note: Operating system is different from the one used during backup. Current operating system: redhat8 Operating system at backup: redhat7 Apache httpd configuration will not be restored. You will be asked about it on the next engine-setup run. ------------------------------------------------------------------------------ Provisioning PostgreSQL users/databases: - user 'engine', database 'engine' - user 'engine', database 'engine_history' FATAL: Existing database 'engine_history' or user 'engine' found and temporary ones created - Please clean up everything and try again One more log is here: https://pastebin.com/Rg2kaNnM Can you, please, help and provide some information how this can be fixed ?