can't ban champs in champ selects ban phase

why is it the case that when I select a champ to ban in the ban phase of ranked champ select that, despite great effort to spam the shit out of the ban button, the timer runs out. I'm then placed back into the client lobby with a 30-minute dodge penalty & 20 lp lost. I don't understand why the issue happens, is it happening to anyone else? Because I beleive if it happens again ill develop a fatal brain aneurysm.
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