My Friend's Chat is freaking out on me!!! [CLIENT]

Ok so basically what's happening is that I'm chatting with my friend and his client starts freaking out and here's what that looks like: [10:39] Friend: hai hai reinvite me my client is weird [10:39] Me: kk its a random so we r screwed basically mkay [10:40] Friend: not working reinvite me my client is weird

[10:40] Me: better? [10:40] Friend: nope reinvite me my client is weird

nope reinvite me my client is weird

joing mine [10:40] Me: ? i dont see it was that a copypasta> ? GG i got rekt oops [10:41] Friend: nope reinvite me my client is weird

joing mine

nope reinvite me my client is weird

joing mine

buggerinos nope reinvite me my client is weird

joing mine

buggerinos idk wtf is happening to my chat [10:41] Me: whoaaaa omg i know

TL;DR: His chat is spamming in blank lines and repeats I think and its scaring me help me crush this it into oblivion please