Sometimes people can't see me in team builder and some other bugs i cant explain....

So I too a screenshot when people can't me.. Im actually in there and they said they already have a jungle.. @.@ There are other bugs.. there are times when im already in the group, after about so 10 or 5 mins people wont respond anymore and when i tried to click "find another group" an error pops up says "GROUP_NOT_FOUND" something like that.... help pleeeeeeeeease

AND! i get disconnected form pvp.net a lot.. almost everytime... HEEEEEEEEEELP!