Technical Specs (please complete the following information):

• Craft to Exile Harmony 2.1.1c
• World Type: multiplayer server - Meowstard's Gaming Community server
• RAM Allocation: 10GB [for server].

Describe the bug
Fabric Furnaces crash server with xp ticking player. Already posted issue at Draylar's mod issues, but wanted to leave it there too.
Expected behavior
Server should not crash due to ticking player with xp.

Additional Information (screen shots, etc.)
Link: Draylar/fabric-furnaces#30

Thanks very much for cross posting. Draylar is pretty good with this stuff so I'm sure they'll get to it soon.