QuickBooks Online sync error: Error: Invalid entity data. companyName: Maximum length cannot be greater than 50 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 name is greater than 50 characters. QuickBooks Online has a vendor and customer name limit of 40 characters.

How to fix the sync error

Update the vendor or customer name in Key CashFlow to 50 or fewer characters, and sync again.