[] bingo - blackout announcement bugged, unable to call blackout even thereafter

Summary of bug here.

Steps to Reproduce

play bingo.
get two other players call bingo at once (2 winners or more on the same number call).

What I expected to happen

blackout round to be announced thereafter.

What happened

blackout round failed to announce. even the card has gotten blacked out, it does not allow me to call it.

Notes / Media

timestamp included