ORA-28560: error in configuration of agent

admin

ORA-28560: error in configuration of agent process
Cause: An ORACLE serverinvoked a function not supported by the connected
agent (Heterogeneous Services or external procedures). The most probable causeis
incorrect Net8 setup, resulting in use of the wrong agent executable.
16-164 Oracle Database ErrorMessages
Action: Check Net8administration in the following ways: -- When using
TNSNAMES.ORA or an Oracle Names server, make sure that the connection from
the ORACLE server uses the correct SID. -- Check LISTENER.ORA on the agent's
host machine to assure that this SID refers to the correct agent executable inits
(PROGRAM=...) clause.