Source:  FILESYS.NLM

Explanation:  The number indicates the requests that failed to open or lock a file because the limit was exceeded. The file open or lock requests are not being serviced.

Possible Cause:  The number of open files and file locks on the server exceeded the maximum specified by the server parameter, Maximum File Locks: number. The default is 10,000.

Action:  Increase the number of file locks using the SET MAXIMUM FILE LOCKS command. For more information, see SET in Utilities Reference.