All Oracle Error CodesOracle DBA Forum

ORA-07577:

no such user in authorization file
Cause: An attempt was made to set an INTERNAL password (for either DBA or OPER privilege), but the corresponding VMS account (either ORA_<sid>_DBA or ORA_<sid>_OPER) hasn't been created yet.
Action: Add a VMS account for ORA_<sid>_DBA and/or ORA_<sid>_OPER before trying to set a password for them.