Error when leaving a dungeon

If you join a dungeon, leave the server, join the server again, and leave the dungeon with /leave it throws this error (https://mclo.gs/LekqFwe)

Also, the placeholder of the return message doesn't seem to work.

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Server Version: Paper 1.19.3 Build 404 Plugins: DungeonParty, MythicDungeons, ProtocolLib