Software error:

malformed JSON string, neither tag, array, object, number, string or atom, at character offset 0 (before "(end of string)") at /var/www/prodsystem-tradepro/cgi-bin/tradepro/shop/libs/shop/plugins/load_ffs line 2264.

For help, please send mail to the webmaster (internet@itb-pim.de), giving this error message and the time and date of the error.