Each time a ticket is created, the messages in the channel that holds the ticket attempts to display an emoji that the bot apparently does not have access to.
#Unknown emojis in Creating Ticket and Ticket Created message
night agate
boreal saddle
This is not a bug. It's caused by a missing Use External Emojis permission
Get more help in #🆘│community-support or #🎫│make-a-ticket if you need it.