Client Chat Bug

When i tried to move the "Friend Chat Box",For some reason it now opens a new "Thing" called "League Chat" and i have NO IDEA how to reverse that. Need some advice on how to remove it. When i try to Close it, It Closes the actual league Client.

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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