ParsingError: Invalid birthday format

[charlag]

Error message:
Invalid birthday format: --00-07
Stacktrace:
ParsingError: Invalid birthday format: --00-07
    at O (https://assets.tutanota.com/common-C_spbC6L.js:1:2245)
    at https://assets.tutanota.com/date-CP3gbtxQ.js:1:85412
    at Array.sort (<anonymous>)
    at CalendarEventsRepository.loadContactsBirthdays (https://assets.tutanota.com/date-CP3gbtxQ.js:1:85390)
    at async https://assets.tutanota.com/calendar-view-Cpf_PvEY.js:1:61451
App version:
251.241112.0
Client type:
Android
Additional info:
Mozilla/5.0 (Linux; Android 12; SM-T865 Build/SP2A.220305.013; wv) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/102.0.5005.125 Safari/537.36