ORA-28513: internal error in heterogeneous

admin

ORA-28513: internal error in heterogeneous remote agent
Cause: An internal error hasoccurred in the Oracle remote agent supporting a
heterogeneous database link.
Action: Make a note of howthe error was produced and contact the customer
support representative of the agent vendor.
ORA-28514:heterogeneous database link initialization could not convert system
date
Cause: The system date wasnot retrievable.
Action: Verify that theORACLE server's host machine and operating system are
operational. This error should not occur unless low level system functions are
failing.
ORA-28515: cannot getexternal object definitions from string
Cause: ORACLE was unable toretrieve definitions of distributed external
procedures or remote libraries registered for the non-Oracle system instance,
probably because the underlying data dictionary table does not exist or is
malformed.
Action: Verify that theORACLE server's Heterogeneous Services data dictionary
was installed correctly. If the Heterogeneous Services data dictionary is not
installed