QuickBooks Desktop is loaded with a large amount of code and algorithms that make it vulnerable to various technical errors. One such error is QuickBooks Update Error Code 30159. To learn more about the error, this error usually appears due to an incorrect file configuration in the Windows operating system. Additionally, this type of problem can also be caused by corruption in Windows system or other Windows-compatible program files. Although it is very common for this particular error to occur, users often find it a bit annoying to deal with. This error can be caused by various factors. In this segment, we have discussed all the causes that contribute to this. Therefore, we recommend you to continue reading this article until the end. Additionally, if you don't want to spend time fixing Payroll Error Code 30159 in QuickBooks, you can get instant assistance from our technical group. Error 30159: Unable to load account with PSID null: Permissions are valid, but the permission unit is invalid. If you want to know more about this issue, be sure to read this text to the end. For further assistance with QuickBooks, you can also contact our technical support team at +1-800-360-4183.