How to fix the Oracle error ORA-15090: handle string is not a valid descriptor?

In this post, you’ll learn more about the Oracle ErrorORA-15090: handle string is not a valid descriptor with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-15090: handle string is not a valid descriptor

Reason for the Error ORA-15090: handle string is not a valid descriptor

The file handle was not valid in this session.

How to fix the Error ORA-15090: handle string is not a valid descriptor ?

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

Submit a handle obtained from a successful call to DBMS_DISKGROUP.OPEN().