When action is clicked (erase or killsign or block the playeto update signs) I see this error in the console. Also I get no permission for actions set to require no permission in general. And when player is signblocked it shows in the chat as {0}. Not sure if that's related but I'll mention it as well.
[DiscordExtension] [Error]: Rest Request Exception (Discord API Error). Plugin: DiscordSignLogger by MJSU v3.0.0 ID: XXXXXXXX Request URL: [POST] interactions/XXXXXXXXXX/XXXXXXXXXXXXXXX/callback Content-Type: application/json; charset=utf-8 Http Response Code: BadRequest Discord Error Code: 40060 Discord Error: Interaction has already been acknowledged. Discord Errors: Request Body: {"data":{"components":[{"components":[{"style":1,"label":"Erase","disabled":false,"custom_id":"DSL_CMD DEFAULT ERASE CMWfnr+TgICIARCoxsQ3","type":2},{"style":1,"label":"Sign Block (24 Hours)","disabled":false,"custom_id":"DSL_CMD DEFAULT SIGN_BLOCK_24_HOURS CMWfnr+TgICIARCoxsQ3","type":2},{"style":2,"label":"Kill Entity","disabled":false,"custom_id":"DSL_CMD DEFAULT KILL_ENTITY CMWfnr+TgICIARCoxsQ3","type":2}],"type":1}]},"type":7} [DiscordExtension] [Error]: Rest Request Exception (Discord API Error). Plugin: DiscordSignLogger by MJSU v3.0.0 ID: XXXXXXX Request URL: [POST] interactions/XXXXXXXX/XXXXXXXXXXXXXXX/callback Content-Type: application/json; charset=utf-8 Http Response Code: NotFound Discord Error Code: 10062 Discord Error: Unknown interaction Discord Errors: Request Body: {"data":{"custom_id":"DSL_MODAL DEFAULT KILL_ENTITY CMWfnr+TgICIARCoxsQ3","title":"Kill Entity","components":[{"components":[{"style":2,"label":"Player Message","required":false,"value":"An admin killed your sign for being inappropriate","custom_id":"PLAYER_MESSAGE","type":4}],"type":1},{"components":[{"style":2,"label":"Server Message","required":false,"value":"","custom_id":"SERVER_MESSAGE","type":4}],"type":1}]},"type":9}