No longer able to choose/pick participants in calendar invite

No longer able to choose/pick participants in calendar invite

Last week everything worked fine.  Today when creating a new calendar event I am no longer able to add/choose participants from my contacts.  Previously I would start typing their name in the participants field and it would autofill from my saved contacts.  Today the only way I am able to add anyone is by fully typing the entire email addres into the participants field.
This is happening on both Safari and Chrome - MacOS 13.3

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