An unknown error has Occured - logging onto chat service

So since yesterday i had some Errors when i logged in but everything worked. But when i logg in now it says my LOL is Unable to connect to Chat. Even if i try to reconnect. I can´t play URF with my friends =( I´d realy appriciate some help. When i log in it Says: Uknown Error. An Unknown error has occured. Sorry about that. We´ve sent a report to the sever. If you continue ecountering this error you may want to check the support site or forum for more infromation. So i Googled before i opend this and changing my Date doesn´t work. Help plx! :D

We're testing a new feature that gives the option to view discussion comments in chronological order. Some testers have pointed out situations in which they feel a linear view could be helpful, so we'd like see how you guys make use of it.

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