What QuickBooks Error 103 Indicates And How To Fix It Safely? QuickBooks Online has been present in the accounting industry for more than a decade now. And it is currently employed by many major enterprises from all across the globe. The reason QuickBooks Online is so successful as a cloud-based bookkeeping program is its features that can take care of almost all financial activities. However, the famous saying ‘nothing is perfect’ also applies to QuickBooks Online, as working with it is not free from errors. This post will explain everything you should know about QuickBooks error 103, which crops up while connecting a bank account to QuickBooks Online. So, let’s start.