Oracle Error Message
ORA-07251: spcre: semget error, could not allocate any semaphores.
Reason for the Error
Semget failed to even allocate a single semaphore. Either they are all in use or the system is not configured to have any semaphores.
Solution
Check to see if all semaphores are in use. Check to see if system is configured to have semaphores. Check errno.
