When you experience problems with the login information for your bank account, QuickBooks error code 103 shows. The QuickBooks login details you used are not recognised, according to Error 103. As a result, you cannot link your bank account to QuickBooks. Do not become alarmed if you are experiencing a similar problem and seeing error number 103 on your screen. We can help you with our options. Thus, in case you feel need of any assistance, immediately contact our QuickBooks Support team for assistance. Call us at Toll-free number +1-(844)-734-9204.