How to fix the Oracle error ORA-15091: operation incompatible with open handle in this session?

In this post, you’ll learn more about the Oracle ErrorORA-15091: operation incompatible with open handle in this session with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15091: operation incompatible with open handle in this session

Reason for the Error ORA-15091: operation incompatible with open handle in this session

The current session contained an open handle from the DBMS_DISKGROUP PL/SQL package which precluded performing the command.

How to fix the Error ORA-15091: operation incompatible with open handle in this session ?

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

Execute the command in a different session.