In this post, you’ll learn more about the Oracle ErrorORA-12721: operation cannot execute when other sessions are active with the details on why you receive this error and the possible solution to fix it.
Oracle Error Description
ORA-12721: operation cannot execute when other sessions are active
Reason for the Error ORA-12721: operation cannot execute when other sessions are active
This command can only be run when there are no other sessions active
How to fix the Error ORA-12721: operation cannot execute when other sessions are active ?
You can fix this error in Oracle by following the below steps
Ensure there are no other connections to the database