How to fix the Oracle error ORA-29393: user string does not exist or is not logged on?

In this post, you’ll learn more about the Oracle ErrorORA-29393: user string does not exist or is not logged on with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-29393: user string does not exist or is not logged on

Reason for the Error ORA-29393: user string does not exist or is not logged on

An invalid user name was specified as argument to procedure SET_INITIAL_CONSUMER_GROUP of package DBMS_RESOURCE_MANAGER or SWITCH_CONSUMER_GROUP_FOR_USER of package DBMS_SYSTEM or the specified user was not logged on.

How to fix the Error ORA-29393: user string does not exist or is not logged on ?

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

Specify a valid user name.