Recently my anki has a problem with the distance error

Hi everyone, I have a question. Recently my anki has a problem with the distance error. There are 4 answer buttons " again, hard, good, easy" but when clicking on those buttons only “again” and “good” buttons work, and “hard” and “easy” the system defaults to " good". How to fix this error? While the time before my anki was completely normal.

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