Engine Crashes when encoding Texture after build Lighting

Hello,

i get a crash after the lightmaps have been baked at high/Production setting… and it says “encoding textures 49%”

lightmass setting :

static lighting level scale : 0.5
num indirect light bounces :10
num Sky light bounces :10
Indirect light quality : 2.0
Indirect Light smoothness : 0.7

PC Spec :
GTX 1050 4gb
I7700hq
8gbRam
dx12