ORA-06616: LU6.2 Driver: Attach to LU failed
Cause: The SQL*Net LU6.2 driver was unable to attach to the LU specified in the connect string, or was unable to attach to the default LU.
Action: Check that the LU name specified in the connect string, or the default LU name if no LU was specified, is correctly configured and operational.
Error Type: ORA