Iptables error...

Hello All,

I am running iptables v1.2.3 on my RH linux machine. It was running fine
untill now. I upgraded kernel to 2.4.20-18.7 on my machine. After upgrading
the kernel it started giving following error while starting iptables
service.

=====
Flushing all current rules and user defined chains:   OK  ]
Clearing all current rules and user defined chains:   OK  ]
iptables: libiptc/libip4tc.c:384: do_check: Assertion `h->info.valid_hooks
== (1 << 0 | 1 << 3)' failed.
/etc/rc.d/init.d/iptables: line -248:  1611 Aborted
                iptables -t $i -F
iptables: libiptc/libip4tc.c:384: do_check: Assertion `h->info.valid_hooks
== (1 << 0 | 1 << 3)' failed.
/etc/rc.d/init.d/iptables: line -245:  1614 Aborted
                iptables -t $i -X
iptables: libiptc/libip4tc.c:384: do_check: Assertion `h->info.valid_hooks
== (1 << 0 | 1 << 3)' failed.
/etc/rc.d/init.d/iptables: line -241:  1617 Aborted
                iptables -t $i -Z
Applying iptables firewall rules: iptables-restore: libiptc/libip4tc.c:384:
do_check: Assertion `h->info.valid_hoo ks == (1 << 0 | 1 << 3)' failed.
/etc/rc.d/init.d/iptables: line -238:  1619 Done                    grep -v
"^[[:space:]]*#" $IPTABLES_CONFIG
      1620                       | grep -v '^[[:space:]]*$'
      1621 Aborted                 | /sbin/iptables-restore -c
FAILED]
===

Can anuone please help me out.

Tina...