Game won t start

[sachmet2]

So what happens is that when i try to launch any modpack the launcher dissapear and quickly appear again but game won t start. I don t know what to do with it so if anyone has any clue what to do please help.

Here is log from console : https://pastebin.com/M2Ldh5Bg

Edited July 7, 2017 by sachmet2

[JaariAtmc]

6 hours ago, sachmet2 said:

So what happens is that when i try to launch any modpack the launcher dissapear and quickly appear again but game won t start. I don t know what to do with it so if anyone has any clue what to do please help.

Here is log from console : https://pastebin.com/M2Ldh5Bg

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