nextcloud18.02 after update calendar to 2.0.2, it doesn't work

I have update nextcloud from 17.0.4 to 18.0.2, and update calendar to 2.0.2, and it success, but then the calendar doesnā€™t work, click left button, no event page appear,and left panel Keep spinningļ¼Œso anybody know how to deal the Situationļ¼Œ thanks


finds the error appeard in chrome devtools->console
so how to solve the errors,thanks