named[3349]: the working directory is not writable

While tail to message shows me this error..

Jan 25 16:03:44 um1udns1 named[3349]: listening on IPv4 interface lo, 127.0.0.1#53
Jan 25 16:03:44 um1udns1 named[3349]: listening on IPv4 interface eth0, 10.45.9.55#53
Jan 25 16:03:44 um1udns1 named[3349]: command channel listening on 127.0.0.1#953
Jan 25 16:03:44 um1udns1 named[3349]: command channel listening on ::1#953
Jan 25 16:03:44 um1udns1 named[3349]: the working directory is not writable



Resolution.

under /var/named/chroot/var/

#chmod 775 named (rwx for both)

restart named service.

now onward error disappear in logs.