Server rentals :: NFOservers.com

Hello,
I have a problem with my server it crashing for nothing I don't know why.
You could help me maybe ? You have some ideas ?
I have 3 errors files :
http://pastebin.com/u7viitLc (error_XXXXX.log)
http://pastebin.com/eCuatdX8 (L20150826.log)
http://pastebin.com/hfebznHp (console.log)

Thanks you ...