- Plesk for Linux
Unable to configure PostgreSQL in Plesk Onyx on Ubuntu 18.04 with the error below:
PLESK_ERROR: Error: The test connection to the database server has failed:
ERROR: invalid input syntax for type oid: ""
LINE 1: SELECT relname FROM pg_class WHERE relowner = '' AND relkind...
This is a Plesk bug with ID PPPM-8775 which will be fixed in product updates.
Currently, there is no workaround