This error is happening because a payment that was entered in ContractorTools, then written to QuickBooks, then "deposited" (added to a Bank Deposit) in QuickBooks, has been changed in ContractorTools.

The message is telling you that you cannot change a payment transaction in QuickBooks after it has been added to a Bank Deposit.

To fix this error, you must either remove the payment from the Bank Deposit, or delete the Bank Deposit, that the payment is included in.

Then, clear the error in ContractorTools and run the QuickBooks Sync again.

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