Hi Everyone,

When i try to access customers from the admin menu, I get this error

Code:
Warning: array_merge() [function.array-merge]: Argument #1 is not an array in /home/qualityt/public_html/shop/admin/customers.php on line 1099

Warning: array_merge() [function.array-merge]: Argument #2 is not an array in /home/qualityt/public_html/shop/admin/customers.php on line 1101

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

Warning: Variable passed to each() is not an array or object in /home/qualityt/public_html/shop/admin/includes/classes/object_info.php on line 30
I have these modules installed
Superorders
admin notes
ajax image swapper
big royal mail
Google checkout
Orders improved search
Orders exporter
uk countries
vat calculator.

Any help would be appreciated.
thank you

regards
vinay