icomp.de order error

[3246251196]

hi all. I keep on getting this error when trying to purchase from icomp.de does anyone know about this:

Fatal error: Call to a member function addToScale() on a non-object in/var/home/shop/html/icomp.de/system/modules/icomp/classes/KombiShipping.php%&$#?@!on line%&$#?@!236

thanks.

[3246251196]

Thanks. I will have a look, it's just that I don't know his email address or account name on amibay.