Payroll errors, such as QuickBooks Error 30159, might happen when you attempt to adjust payroll. Errors in QuickBooks can be highly inconvenient, so it's critical to fix the problem as soon as possible to prevent more problems. A warning message similar to this one typically shows on your computer when QuickBooks error 30159 occurs: "QuickBooks has encountered an issue and has to close. QuickBooks payroll errors are not frequently encountered. But, when you attempt to link an existing payroll subscription to your QuickBooks Payroll account, similar problems may arise. Windows system files that are incorrectly set might also result in such issues.