[exim] paniclogs

On one of our mailservers we occasionally get the following log entries
at least the second one; this is the first time I have seen the first

2004-09-22 15:22:29 1CA7zu-00046J-QO Failed to reopen
/var/spool/exim/input/u/1CA7zu-00046J-QO-D for remote parallel delivery:
No such file or directory


2004-09-22 16:33:15 1CA96u-0003EO-Ez failed to unlink
/var/spool/exim/input/u/1CA96u-0003EO-Ez-H


The system is a SUN with SunOS 5.9 running EXIM 4.34

Any ideas what is wrong?

John Linn