This is your firmware saying that something is wrong with the connection to your hotend. It told it to heat up, but the temperature probe didn't detect it actually heating up. Either faulty wiring in heater or thermistor, or a firmware bug:
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Jeez I can't catch a break right now 
now it's printing 
Anyone can link me instructions to updating firmware for Ender-5?
Oh, it's an Ender 5! No wonder you are drowning in issues, the Creality printers usually ship with broken AF firmware.
Ender 5, Ender 5 Pro or Ender 5 Plus?
Maybe this helps:
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The reason I am flustered is that I've had the printer for a year and no firmware related issues.. and now suddenly it's all falling apart