problem in the customers page!

everytime when I go to the customers page in the admin panel I get those two lines of PHP errors and all the customers fields are empty !, why is that ! and how to fix it !

Warning: reset() [function.reset]: Passed variable is not an array or object in /home/aabbro/public_html/pc2all/admin/includes/classes/object_info.php on line 29

Warning: Variable passed to each() is not an array or object in /home/aabbro/public_html/pc2all/admin/includes/classes/object_info.php on line 30 :lamo: