QuickBooks Online sync error: Invalid entity data. billAddressZip: Maximum length cannot be greater than 20 characters

Why the sync error occurs

This error occurs when a vendor or customer in Cashflow360 is trying to sync to QuickBooks Online, but the ZIP code is greater than 20 digits. QuickBooks Online has a vendor and customer ZIP code limit of 20 digits.

How to fix the sync error

Update the vendor or customer ZIP code in Cashflow360 to 20 or fewer digits, and sync again.