QB Sync - Failure to sync sales receipts with error "You must select a product/service or an account for each split line with either an amount or a billable $$customer$$"

Log into into QuickBooks Online and click ‘Company’

Once there click ‘Preferences’

Scroll down until you see ‘Shipping’ or search for ‘Shipping’, then hit the check box. After you hit the check box the drop down menu for shipping account will appear. By default it goes to ‘Shipping Income’

Once done, hit save at the bottom.