"bigcommerce: The requested resource was not found."


Typically this error can be triggered when the particular item has been deleted directly on BigCommerce and because of this SureDone wouldn't be able to control that SKU anymore.


The solution is to create a bulk edit file with the corresponding GUIDs for the affected items and their BigCommerce listingid and sku identifiers cleared out. Once the *.csv file has been uplaoded, then the blank cells under the headers bigcommercelistingid and bigcommercesku in the C & D columns would overwrite and delete any previous values for those fields, which would allow you to push and relist the item succesfully on that instance and see the example below: