To retrieve a failure reason for you export, you have to follow these steps:
Click on an individual transaction that you want to export.
Information about the transaction will appear to the right. Press the green "Export" button in this box.
An error message from your accounting system will occur. This should provide a reason for the error. After fixing the error you can try to export again.
Invalid refresh token = Reset the integration for your accounting system. The integration was not completed or managed properly.
Lacks authorization to post verifications = Reset the integration for your accounting system. Check that correctly licensed admin in Fortnox is the one setting up the integration from Mynt.
The verification series is not manual (X) = Series is not manual in your accounting system. Go to fortnox --> verification series --> checkmark the manual accounting box.
Account XXXX is not active = Account is inactive in your accounting system. Log into your accounting system and activate the account from there before export.
If you still need help, please contact our customer service team and they will help you further. https://www.mynt.com/contact