could not start WAL streaming: ERROR: replication slot XXX does

The main risk of using pg_basebackup without replication slots is to not be able to take a consistent backup as WAL segments may have been

You must drop the logical replication slot in the primary server if the corresponding subscriber no longer exists Otherwise, the WAL files

replication slot replication slot geo_secondary_my_domain_com does not exist? This occurs when PostgreSQL does not have a replication slot for the secondary node by that name

replication slot already exists Databases: repmgr 4 and postgres on ubuntu (ERROR: replication slot repmgr_slot_2