Do you want more information in QuickBooks software error 108? When your bank account has an issue, QuickBooks online error 108occurs. The bank's servers and QuickBooks software launch the instant a user registers for the service. According to this, any problems with the bank's servers will cause this QuickBooks error. Find notices from your bank, your credit card provider, or the bank's website, get banking updates, or wait for the bank's server to reload to find a solution to this problem. It's possible that the bank server is now unavailable.