Do you have any concerns about QuickBooks error 108? The primary root of QuickBooks error number 108 is financial issues. This error could be the consequence of issues with QuickBooks or your bank. Your bank or credit card company might have received a message that QuickBooks is no longer linked because you changed your login information but QuickBooks failed to save the changes. In order to fix this error For any updates, check the messaging on your credit card or the bank's website. Wait a little while before continuing your activity if the bank's server is down.