Can't modify or create a Schedule Helper

I am currently running HA Core 2024.9.1, and I just noticed that creating a Schedule Helper does not work.

I click on +CREATE HELPER
Then select Schedule.
The list flickers a bit, but no window opens.

I also noticed that when I try to access the settings of two existing Schedule Helpers I previously created, the window that displays the settings does not open either.

Is anyone else seeing this issue?

Working here. Try clearing your we browser cache.

Also check your logs for errors.