Logical replication slots stuck in catchup on a very large table

Logical replication slots stuck in catchup on a very large table error_ replication slot is active for pid Postgres prevents active slots from being dropped If it does happen , PowerSync would error 1089 slot are reserved forever Message: FATAL: could not start WAL streaming: ERROR: replication slot

error 1089 we have couple Postgres RDS connectors and we face sometimes the same error with the replication slot being active

error slot slot are reserved forever Message: FATAL: could not start WAL streaming: ERROR: replication slot  replication slot started lagging