Big plane crash

I have a plane with a wingspan of 3m
cuav v3x
two autonomous flights were successful. And the next two were not lucky. Help me find out what is the reason for my failure

below I have attached the logs of this unsuccessful flight

https://drive.google.com/file/d/177lLMS47YIEnSLwZF09aKABRe3eC5lTg/view?usp=sharing