I realized that today, too. If wifi is on and I try to turn on hotspot, it will turn itself off again with said "error".
 
	However, when I turn off wifi first and then turn on hotspot it works. I tried connecting with my laptop, no problem, had internet access. 
	Then when I turn on wifi again, the hotspot will turn off. 
	I am still running Test 9 at this moment I will flash test10 and report back again.
 
	EDIT: also works for me in test10
 
	
 
	A few days ago I reported issues with my earspeaker, I was able to resolve that problem. A few days before I dropped my phone (not from hi