Player Data Reset after connecting server to hub with BungeeCord

I added one of my servers to my BungeeCord hub server, put it in offline mode and got OnlyProxyJoin, everything you need to do to connect it. When I joined my server through the hub, I noticed that it had put me at spawn, with the default kit, the default rank, pretty much a new player. This happened for a couple others, it was like I was a different player. I stopped the server and removed it from the hub, put it in online mode and joined through the normal IP, everything is back to normal.

I...

Player Data Reset after connecting server to hub with BungeeCord