Everything disappeared

Hello
I was making an archviz scene and turned on Generate Mesh Distance Fields.
After restarting unreal it started to generate distance fields , but everything disappeared from Perspective viewport except the sky from default map. In top and side viewports i see everything. In GBuffer of perspective it is completely empty. Any idea of what can it be ?
I turned Fields off - still empty.
NVidia GTX 970 , i7 processor , should work perfectly.

Found one thing - my DefaultEngine.ini for some reason went to 85kb , while original is about 1
So i overwritten it and it is fine now. [URL][/Script/HardwareTargeting.HardwareTargetingSettings]TargetedHardwareCl - Pastebin.com this is the file. There is a error there or something ?