[Q] rooted phone wifi Hotspot not working any longer hjelp topic

Ok note 4 tmobile rooted following instructions here downloaded wifi tether Hotspot from here has worked perfectly for quite some time now today a few mins ago it no longer is working if rebooted pulled batt everything and it's not working I start it up like normal like I do every day and when I try to go on Internet through computer I get the tmobile smartphone hot spot mobile Hotspot has been shut off as u do not have the hot spot service. Wtf it has worked for 6 months now perfectly why all of a sudden does it not work. Please help