Question / Help Start and stop

[NickoSa]

hi, first i want say i not talk english, but i try to explain my problem the best form.

Yesterday i can transmite but today when i press start transmision, only transmite few seconds and stop automatically.

someone can helpm me please?

Think You.

https://gist.github.com/106b0b603cf6b2e34343b3808f9426e7