Oracle Message ORA-06604 - LU6.2 Driver: Unable to allocate session with remote LU

ERRORLU6.2 Driver: Unable to allocate session with remote LU
CAUSEAllocate system call failed.
ACTIONEnsure that the SNA software is running and that sessions are free. If this is the case, then check your SNA configuration data for errors. You may have entered an incorrect parameter.