I found the start of the error. In revision 4070 Fabien removed all references to product.group_product_manager and didnt replace it with anything. So I could remove these entries from the csv file to fix it?
I found the start of the error. In revision 4070 Fabien removed all references to product. group_product_ manager and didnt replace it with anything. So I could remove these entries from the csv file to fix it?