In this post, you’ll learn more about the Oracle ErrorNNF-02004: NIS map string does not exist with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
NNF-02004: NIS map string does not exist
Reason for the Error NNF-02004: NIS map string does not exist
Cause: The requested attribute does not exist.
How to fix the Error NNF-02004: NIS map string does not exist ?
You can fix this error in Oracle by following the below steps
Action: For an unused attribute, no action is required, as this is the expected error. Otherwise, add the attribute and reload the NIS (YP) maps.