[Game crashing in DG]

Good morning my game is crashing when I am doing some DG, my computer is not the best but I have an i5 8400, 16gb ram 3000mhz, Asus strix oc Edition 6gb GTX 1060 and a 240 SSD.
I don't understand why it's crashing, I've already scanned the game files, and I use BNS Buddy to upgrade FPS, my operating system is Windows 10 64 bit PRO.
If anyone can help me I thank you very much, thanks!
NOTE: I do not speak English I used translator, sorry if there are grammar errors.