[Exim] Err. Msg.

hi,

How can I correct his err. msg?

Thanks,
J.

2000-06-29 09:03:11 137gew-0000AX-00 == root@??? <postmaster@???> T=local_delivery defer (13): Permission denied: creating l
ock file hitching post /var/mail/root.lock.praha.local.net.395b733f.0000039f