Are you bothered with QuickBooks error 108? Banking troubles are the root cause of QuickBooks error 108. This error may be brought on by specific problems with your bank or QuickBooks. The connection to QuickBooks may have been stopped by a notification from your bank or credit card company, or you may have changed your login information but QuickBooks did not save the changes. To rectify this mistake Check the website of the bank or the messages on your credit card for updates. If the bank's server is down, wait a little before continuing with your process.