Oracle® Database 11g / 12c / 18c error codes ORA-12207: TNS:unable to perform navigation
ORA-12207: TNS:unable to perform navigation
Oracle Error Code: ORA-12207
Cause: Improperly configured navigation file TNSNAV.ORA.
Action: Check the syntax of the TNSNAV.ORA file on the application`s machine, and verify that it lists the correct communities.