Engine crashed every time

[Priest_Kod]

Engine version 4.16.2.
After TankTrank.cpp compiling engine 100% crashed.
After added lines selected in red square , compiling, and assemble blueprint, i start game and engine crash.
What can i do in this situation?

[Priest_Kod]

I modified some lines in code
.
And now have log -

[Priest_Kod]

Yeah. I found my mistake

I creat not Primitive component, but i create scene component… . Now i fix it.