my account banned for no reason

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i literally did nothing wrong and i got banned with no warning, i finished a game up and then i left my computer to go walk my dog and then i come back to see this message my ign is "ur aii weenies" i think you may have banned the wrong person, and it said to check my email so i checked my email and i got no email about this ban, i tried verifying my email to ANOTHER email and still got no email, i would like an explanation about this ban riot i did not afk, i do not verbally abuse people in chat, i do not feed, i need to know why i was banned, maybe you banned the wrong person
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