QuickBooks Online sync error: You can not delete this transaction because it is matched to a transaction that was downloaded into a different account
Why the sync error occurs
This error occurs when a bill in Key CashFlow is deleted, but the bill is matched to a transaction in a register in QuickBooks Online that's different from the bill in Key CashFlow.
How to fix the sync error
- Manually delete the bill in QuickBooks Online
- Contact Customer Support to request the error be cleared