Hello, I'm having a similar issue but the other way around. I contacted Shopify Help Chat line and was told there may be some technical difficulties with social media shops connections  (Facebook/ Instagram) and they will have their Technical Support...

Hello, I am new to e-commerce and have only been on facebook for about 2 weeks. This past week my orders have not been syncing to my Shopify Store. The first couple of orders where connected just fine and these past few orders are just sitting there ...