Bugsplat Or Crash

Everytime i play with my friend, he keeps crashing and so do i, i'm not sure if its a bugsplat or a crash, but he Quote on Quote 'bugsplat 10 times a ONE match' And just to confirm, He uses a Mac and i use a Windows 10, Please fix this, it costed us 3 ranked matches, and we are trying our hardest to rank up. Thank you [sg-ahri-2]