To elaborate, Werner holds her chalice but it insists she can only hold one at a time. She does not hold 'one', just the quest step labeled 'The Invitation' as in the gyazo screenshot that does not allow her to fuse runes or upgrade or resolve the quest.
She cannot play or unlock the Menagerie.
The enclosed puu.sh mp4s are taken directly from her screenshare in discord, showing the werner bug as well as her quests tabs devoid of usable chalice.
https://puu.sh/FWNcf/feae73d434.mp4
https://puu.sh/FWNdA/6a3176a7b4.mp4
English
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Did she check her postmaster?