When registering on myupmc.upmc.com a year cannot be chosen

[jparedes]

Environment

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How to reproduce

1. In Adblock Browser go to: myupmc.upmc.com
2. Click "Create Account"
3. Accept and Continue with the MyUPMC Terms and Conditions
4. Click in the bar "Date of birth" on mm/dd/vvvv

Observed behaviour

A calendar bar opens titled "Pick a date", that can be swiped left or right to change the months. You can click on the individual dates in that month, also at the bottom are 3 buttons "ClEAR", "CANCEL" & "SET"

Expected behaviour

When clicking on the Year, it should allow to choose from a list of all years. However this does not happen