Working on QuickBooks brings in some random errors along with it. And the only solution for all this is to find the right and the most suited fixation steps. Same applies with QuickBooks error H101, H202, H303, or H505 » . These errors are called H series error and are by far the most common errors that one can come across in QuickBooks. To get a better understanding as to how you can deal with these H series errors, keep reading this informative piece.