Ue4 editor crashing while working

hi guys i was working with ue4 for a school project and every time i use ue4 it crashes. i dont know why
i am using a dell laptop with an i5 4200u, 8gb of ram and for my gpu i am using an amd radeon 8670m 2gb version. plz help me its very important for me.

First, post the logs that were generated. You can usually find them with this guide: