Sync postgresql table on own host not allowed

Unfortunately it fails miday with a " Something went wrong during the sync_data_sync_table job execution. Create and sync table" on the UI and “SSL connection has been closed unexpectedly” - on a million row table after running for a few minutes, just as with an external PSQL server. Others have that isseue at Error: psycopg2.OperationalError: SSL connection has been closed unexpectedly