Catalog data does not exist for SKU [%s]. For more details, see http://sellercentral.amazon.ca/gp/help/24561
If you receive this error after uploading an inventory file, there is likely another error blocking the addition of your product to the Amazon.ca catalogue. As a result, the image processor is unable to associate the image you referenced with an existing product. This error goes away when you address the other product data errors.
If you receive this error after submitting a product image data feed (XML), the referenced SKU does not correspond with an existing product in the Amazon.ca catalogue. One of three conditions is likely the case: