Oracle Message TNS-00134 - Missing COMMUNITY component in addresses for the Navigator in TNSNAV.ORA

ERRORMissing COMMUNITY component in addresses for the Navigator in TNSNAV.ORA
CAUSEThe addresses specified for the Navigator have no COMMUNITY name.
ACTIONEnsure that all addresses in the NAVIGATOR_ADDRESSES field have a COMMUNITY entry in the TNSNAV.ORA file.