Message Oracle TNS-00028 - INTCTL: Could not resolve Connection Managers name/address

ERRORINTCTL: Could not resolve Connection Managers name/address
CAUSEThe Connection Managers name does not have a definition that the Navigator knows about, nor is the name/address available in the TNSNAMES.ORA file. The name may also be incorrect in the INTCHG.ORA file.
ACTIONVerify that the Connection Managers name is in the TNSNET.ORA file read by the Navigator or in the TNSNAMES.ORA file. Be sure that INTCHG.ORA is correct.