Class error

ecking for /etc/amportal.conf…OK
Reading /etc/amportal.conf…OK
Reading /etc/asterisk/asterisk.conf…OK
Connecting to database…OK


Fatal error: Cannot instantiate non-existent class: ext_txtcidname in /var/www/html/admin/modules/cidlookup/functions.inc.php on line 135
Generating AMP configs..OK

IN upgrade Freepbx from 2.1.1 to 2.1.2 and also to 2.1.3 I get the above - any ideas?