When AliExpress returns ¡°System error¡±, in most cases the product is out of stock. Please follow the steps below to change a supplier.
Step 1Find a new supplier
(If you already have an AliExpress product link, please skip this step.)
To find a supplier on AliExpresss, please go to AliExpress dropshipping center(https://home.aliexpress.com/dropshipper/join_drop_shipper.htm) > Find Products to Sell
Click “Search by image” and find similar products by uploading a product image.
Of course, you can also find similar products through the product title on AliExpress.
Step 2Please go to the product mapping page of the order
Step 3Add a new supplier
Adding a mapping/bundle product is likeadding a product via a link.Add a product group and these products can bemapped to your Shopify products.
Step 4 Change a new supplier for variants
Step 5 Save the mapping and apply it for order waiting