named[21133]: can't fdopen tmpfile

[England, Robert (Robert)]

Can anyone tell what this message means? This the first time I have seen
this. The problem appears to have resolved itself. But I would like to
understand what it means.
 
Thanks,
 
-Bob
 
 
 
Dec 18 19:28:45 rootdns2 named[21133]: can't fdopen tmpfile
(sec_qip/db.135.156.HfeOrP)
Dec 18 19:32:21 rootdns2 named[21133]: can't fdopen tmpfile
(sec_qip/db.135.14.LfeOrP)
Dec 18 19:33:08 rootdns2 named[21133]: can't fdopen tmpfile
(sec_qip/db.135.24.MfeOrP)
Dec 18 19:36:12 rootdns2 named[21133]: can't fdopen tmpfile
(sec_qip/db.135.14.QfeOrP)
Dec 18 19:39:27 rootdns2 named[21133]: can't fdopen tmpfile
(sec_qip/db.135.15.VfeOrP)
Dec 18 19:39:39 rootdns2 named[21133]: can't fdopen tmpfile
(sec_qip/db.192.19.180.WfeOrP)
Dec 18 19:40:32 rootdns2 named[21133]: can't fdopen tmpfile
(sec_qip/db.135.14.XfeOrP)
Dec 18 19:43:50 rootdns2 named[21133]: can't fdopen tmpfile
(sec_qip/db.135.149.2feOrP)
Dec 18 19:50:19 rootdns2 named[21133]: can't fdopen tmpfile
(sec_qip/db.128.94.7feOrP)
Dec 18 20:46:33 rootdns2 named[21133]: can't fdopen tmpfile
(sec_qip/db.135.156.9geOrP)