Editor Crashes loading map (Texture Compression)

Development Rendering
1

Why is that?
I Open map and load 10-15 min and crash…I right click this map crash…
I worked this map + 1000 Hours…Anyone help me ?

Crashlog : https://drive.google.com/open?id=11PIjGouA2XW2XuiahijVgx_WtKR-YZMr