How to fix the Oracle error ORA-19843: Cannot obtain datafile name for datafile string?

In this post, you’ll learn more about the Oracle ErrorORA-19843: Cannot obtain datafile name for datafile string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19843: Cannot obtain datafile name for datafile string

Reason for the Error ORA-19843: Cannot obtain datafile name for datafile string

While trying to obtain the file enqueue for the datafile the datafile name could not be obtained.

How to fix the Error ORA-19843: Cannot obtain datafile name for datafile string ?

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

Examine the trace and alert files for possible causes. Fix underlying problem before attempting command again.