Mintemp- as a safety measure, the Marlin firmware shuts down the printer if the hotend thermistor reads Zero (0) degrees. It assumes the thermistor has failed and shuts the power down, to avoid a runaway heating issue.

Your thermistor is not working right, and since it's reading zero its probably not wired/connected right. when you turn the printer on and poll the temperature in pronterface, it should show room temperature for both bed and hotend, 18 to 24 degrees or so.