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 Key CashFlow 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 Key CashFlow to 20 or fewer digits, and sync again.