ORA-16021
session string destination cannot be the same as session string destination
Cause
An attempt was made to change the first specified log archive destination parameter using ALTER SESSION to have a value that duplicates the session-level value of the second specified log archive destination parameter.
Action
Specify a different session value for one of the LOG_ARCHIVE_DEST_n parameters.
ORA-16021
session string destination cannot be the same as session string destination
Cause
An attempt was made to change the first specified archive log parameter using ALTER SESSION to have a destination value that duplicates the session-level destination value of the second specified archive log parameter.
Action
Specify a different session destination value for one of the LOG_ARCHIVE_DEST_n parameters.
ORA-16021
session string destination cannot be the same as session string destination
Cause
An attempt was made to change the first specified archive log parameter using ALTER SESSION to have a destination value that duplicates the session-level destination value of the second specified archive log parameter.
Action
Specify a different session destination value for one of the LOG_ARCHIVE_DEST_n parameters.