Thanks:  I looked in spool and it happened exactly as you said:

-rw-------   1 root     listserv       57 Mar  1 15:49 1365791.jobh

The modification time of the file is when the crash happened.

- Kathy M.

Nathan Brindle wrote:

> This suggests that someone changed the ownership or permissions on one
> or more of the files in LISTSERV's spool directory, or possibly that
> lsv_amin is no longer owned by 'listserv'.  Either way the error means
> that LISTSERV does not have permission to open the job file in question.
>
> Nathan