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