How to fix the Oracle error ORA-31638: cannot attach to job string for user string?

In this post, you’ll learn more about the Oracle ErrorORA-31638: cannot attach to job string for user string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-31638: cannot attach to job string for user string

Reason for the Error ORA-31638: cannot attach to job string for user string

Unable to attach a job to a session. Refer to any following or prior error messages for clarification.

How to fix the Error ORA-31638: cannot attach to job string for user string ?

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

Eliminate the problems indicated.