ora-06254: NETNTT: cannot share connection to cube

Cause: The NTT two-task driver could not share a connection to the cube.
Action: Make sure that the ORACLE_HOME environment variable has been properly set and exported. Make sure the instance you are attempting to connect to is actually up and running.

NETNTT: no se puede compartir la conexión con nCUBE
NETNTT : partage impossible de la connexion au cube
NETNTT: Verbindung kann nicht geteilt werden mit cube
NETNTT: não é possível partilhar ligação com cube
ora-25153 ora-49305