How to fix the Oracle error ORA-39170: Schema expression string does not correspond to any schemas.?

In this post, you’ll learn more about the Oracle ErrorORA-39170: Schema expression string does not correspond to any schemas. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-39170: Schema expression string does not correspond to any schemas.

Reason for the Error ORA-39170: Schema expression string does not correspond to any schemas.

A schema expression or schema list was supplied for a Data Pump job that did not identify any schemas in the source database.

How to fix the Error ORA-39170: Schema expression string does not correspond to any schemas. ?

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

Correct the schema specifications and retry the job.