Are you interested in learning more about QuickBooks software error 108? When your bank account has an issue, QuickBooks online error 108 occurs. The bank's servers and QuickBooks software launch when a user registers for the service. This means that any server problems at the bank will cause this QuickBooks error. Find notifications from your bank, credit card provider, or bank's website, get banking updates, or wait for the bank's server to reload to fix this error. It's possible that the bank server is momentarily unavailable.