Oracle Solution for Error ora-16744

Solution for Oracle Error ORA-16744

ORA-16744: the DG_CONFIG list of LOG_ARCHIVE_CONFIG parameter is full

What triggered the Error:

The DG_CONFIG list of the LOG_ARCHIVE_CONFIG attribute was full and the Data Guard broker was not able to add a new DB_UNIQUE_NAME to the list.

What should we do to fix it:

Remove some unused entries in the DG_CONFIG list, then reenable the database.