DJI go 4.0.7 impossible to save my editing.HELP!

[debric france]

I update on my iPad the app DJi go 4.0.7.
Since then I can't save my editing it always block at 99%.
So I can t save my editing ...Any Help will be welcome!
Debric

 

[debric france]

I tried other editing and it works, so I don t get it.why my last editing block at 99% or 97%...I tried to skip transitions music but still blocked