You do not have permission to send a message to multiple users at once, for the following reason:

Ko e ngāue naʻa ke eke ki ai, ʻoku fakangatangata ki he kau ʻetita ʻi he taha ʻo e ngaahi kulupu Kau pule fakafounga pē.
Retrieved from "https://to.wikipedia.org/wiki/Special:MassMessage"
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