After finally getting installed, all is running but I have the following error over all the pages of my webmail. The settings is ok its just in the mailboxes and composing.

warning: Invalid argument supplied for foreach() in /var/www/vhosts/gvonline.co.uk/httpdocs/modules/pontomail/pontomail.module on line 108.
warning: Invalid argument supplied for foreach() in /var/www/vhosts/gvonline.co.uk/httpdocs/modules/pontomail/pontomail.module on line 90.

I can't work out what it is. Any ideas would be very helpful. I'm running php 5.0 and MySql 4.1.