Thanks for your sharing, glad to see it is resolved. This seems to be a temporary error. If you have any update about this issue, please feel free to post back.
However, due to a recent update in forum policy, the question author now is not able to accept their own answers.
So I have written a brief summary of the solution this issue. Please feel free to accept it as the answer, which would benefit others who also has similar issues in forum.
Shift tags not showing up on Team Chat. Teams doesn't recognize tags.
After the new team was recreated and the new shift was recreated, the problem was resolved.
If the answer is helpful, please click "Accept Answer" and kindly upvote it. If you have extra questions about this answer, please click "Comment".
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