How to fix the Oracle error ORA-07469: sppst: mclear error, unable to clear semaphore.?

In this post, you’ll learn more about the Oracle ErrorORA-07469: sppst: mclear error, unable to clear semaphore. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-07469: sppst: mclear error, unable to clear semaphore.

Reason for the Error ORA-07469: sppst: mclear error, unable to clear semaphore.

The mclear routine returned an error. Semaphore may not exist.

How to fix the Error ORA-07469: sppst: mclear error, unable to clear semaphore. ?

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

Check result code in sercerrno. Semaphore number returned in sercose[0].