Vertical Takeoff AUTO , Transition failed

[arif_fn (samsul arifin)]

hi guys,
I am a problem with my X8 Vtol, when auto vertical takeoff mode,transition mode doesn’t work , can anyone help me?

https://drive.google.com/file/d/1GEQMtMdmwrGMg2U_YtZ8G5dNJX7vqypX/view?usp=sharing