QuickBooks error message One such banking error is OLSU 1013, which appears when you conduct any type of banking activity or when there is a problem with the setup of online banking. You are unable to do any additional actions due to the OLSU 1013 problem, which also stops you from updating your account details. This error is a little tricky to handle, and if it is not fixed, your screen will keep flashing with error messages. Thus, taking into account all of these factors, we have created this post that will assist you in resolving this problem bank and getting rid of this quickbooks error 1013 message while working in QuickBooks.