flashing

Not new to the forms but first time posting, I’ve just had the problem come up today. My dash at the top of the screen has started flashing Aerpro Aerpro and my button on the steering wheel has stopped working, (buttons) mute, audio, skip, volume up and down. Idk what’s wrong! Fucked harness...

hi guys my car seems to have just recently had some electrical faults when I turn my stereo system on my car starts to run rough and all the lights flicker but when I turn the stereo off its fine its only just happened recently before then it was fine and its not the alternator cause i've had it...