If you received this pop up message, it means that you checked a transaction as taxable but did not include cost basis. Cost basis is required to calculate the taxable gain or loss associated with any given transaction.
To remediate this, you will need to review your transactions on the Sub-Ledger page and enter in any missing cost basis manually where appropriate.
If you think that your transaction should have a cost basis with, please try to reload your file before adjusting manually.
For more information on how to enter your cost manually basis into Lukka Software, click here.
For more information on what cost basis is, click here.