The problem in the package , unreal engine 4.8 ,Why?

Hi

Package the game without error on all platforms ,
But not output.

[Text](Package_platforms12.txt (279 KB)&stc=1&d=1434701508)

My hardware:
Cpu : Dual Core E5300
Ram : 4GIG
Graphic : Nvidia GT 630 2GIG

The hardware works with version 4.7 without problems!

I have no problem with the version 4.7

Please help is very necessary

Is this a bug?