Uhhh… This maybe…? I don’t emote or do any of that stuff so I wouldn’t know for sure.
" * We are investigating crashes when the social menu is opened while in the lobby or in a match.
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Workaround: Avoid opening the social menus while in a match or while in queue for a match."
-from Known Issues on Bug Report
Also gotta comment on how funny it is for them to essentially say
“Workaround: Don’t do that.”