i cant see anyones like skins its just steves and alexs and if i want to go on a server it lets me on for about 2 minutes then it kicks me back the Play minecraft kinda page

Put the summary of the bug you're having here
I don't exactly know what you mean by bug but it think it may be harming my minecraft :'(
What I expected to happen was...:
Describe what you thought should happen here
What I expected to happen was it was just gonna be like just restart your minecraft and everything will be normal bug
What actually happened was...:
Describe what happened here
But now I can only play single player because I get kicked off the multiplayer server in about 2 minutes and also if I don't get kicked it lags and I cant see anyones actual skins just the default skin
Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ...I don't know how it is triggered I just played minecraft since I hadn't played it in awhile
3. ...that's all I know