Message Oracle TNS-00121 - Missing CMANAGER_NAME in INTCHG.ORA

ERRORMissing CMANAGER_NAME in INTCHG.ORA
CAUSENo CMANAGER_NAME parameter specified.
ACTIONDefine the CMANAGER_NAME parameter in INTCHG.ORA; it must match the CMANAGER_NAME parameter used in TNSNET.ORA for that Interchange.