Player on my server changed his name to ThatFrazbo from CaptainFrazbo. His balance on /baltop stayed and showed his new name, however when you checked his balance with the /bal command it shows $40 (old balance 250k+).

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Can you paste your server startup log.

Hmm, maybe /baltop is bugged since I removed his userdata file. It even recreated it however he still shows on baltop.

That + your server is running in offline mode so you probably didn't get switched over to the new UUID.

I'm using BungeeCord which is in online mode. Restarted the server multiple times, he still shows on /baltop.

https://paste.ee/p/pHsX9