ORA-16556
Observer version incompatible with Oracle database server version.
Cause
Observer version was incompatible with the Oracle database version to which the observer attempted to connect.
Action
Use an observer version compatible with the Oracle database server being observed.
ORA-16556
observer version mismatch
Cause
This version of the observer was incompatible with the version of the specified Oracle database server to which the observer had been connected. This observer client cannot be used to observe the specified Oracle server.
Action
Use a version of the observer that is compatible with the Oracle database server to be observed.
ORA-16556
observer version mismatch
Cause
This version of the observer was incompatible with the version of the specified Oracle database server to which the observer had been connected. This observer client cannot be used to observe the specified Oracle server.
Action
Use a version of the observer that is compatible with the Oracle database server to be observed.
