yogbox 1.2.5 is not working

[Rybo4]

Launcher Version: 1.2.5

Operating System: yogbox

Java Version: i have no idea

Antivirus Program: dont have one

Description of Problem:

whenever try yogbox if isay i want to use 1.2.5 it works until i get to the minecraft screen where it is blue around the edges and say minecraft has crashed and has a bunch of the mod names

Error Messages:

minecraft has crashed

Error Log:

cant find it

[Techpriest]

What? I can't find the answer?

[arctichenry]

Without the log file, we cant do anything.