Hello,
It seems like the error you are encountering is related to the Dell Power and Thermal Framework (DPTF) on your Dell Inspiron 15 3520. To address this issue, you can try updating the DPTF drivers on your device. You can download the latest drivers from the Dell support website. If the issue persists, you may also consider reaching out to Dell support for further assistance.
Have a nice day.
Best Regards,
Hania