ORA-06516: PL/SQL: the Probe packages do not exist or are invalid

admin

ORA-06516: PL/SQL:the Probe packages do not exist or are invalid
Cause: A Probe operation, probably an attempt to initializethe ORACLE server to
debug PL/SQL, could not be completed because the Probe packages were not
loaded or have become invalid.
Action: DBAshould load the Probe packages. This can be done by running the
pbload.sql script supplied with the RDBMS.