How to fix the Oracle error ORA-12210: TNS:error in finding Navigator data?

In this post, you’ll learn more about the Oracle ErrorORA-12210: TNS:error in finding Navigator data with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12210: TNS:error in finding Navigator data

Reason for the Error ORA-12210: TNS:error in finding Navigator data

Application calling navigation routine has not properly configured the TNSNAV.ORA file.

How to fix the Error ORA-12210: TNS:error in finding Navigator data ?

You can fix this error in Oracle by following the below steps

Check the syntax of the TNSNAV.ORA file.