Field contains an invalid value to add
Alternative error message “Error 90041: A value is required for the “target_gender” Cause The error message “Message/Product/DescriptionData/MerchantShippingGroupName” (…) field contains an invalid value to add” is related to an invalid value in the “Shipping Profile” field in the “List to Amazon” settings, which is a field used for custom shipping options. The problem is likely …