This is a channel-specific article for Shopify. For general information on Missing Orders in Linnworks please click here.
If API settings are not properly configured on your Shopify channel, the orders will not be downloaded.
To check this, please proceed to Apps - Private Apps on Shopify back-end, open the API key that you have created earlier for Linnworks and ensure that the permissions list is set as such:
These permissions are required for Linnworks to communicate with your website and are a likely to be the cause of missing orders.