QuickBooks Error 30159 generally occurs due to:

Incorrect or incomplete installation of QuickBooks.
Corrupted Windows registry.
Virus or malware infection affecting QuickBooks files.
Corrupted company files.
Issues with payroll service.
This error typically manifests with a message indicating a payroll setup issue, which prevents the payroll process from running correctly. Resolving this error involves several steps, including checking the payroll subscription, updating QuickBooks, and troubleshooting system files.