This has happened a few times even when you restart the server we thoought it was when you load chunks but it happened again when we were in our base building. Last time it happned i loist everything but then the next day it came back.
iMPORTANT thing i dont own the server Name “Main server” created by Stylique
Environment
Normal world but someone did go 9000 blocks out, but it crashed on our other server and everyone was close to spawn.
This is a duplicate of REALMS-4224 as you pointed out. Please refer to that bug report and see REALMS-12270 for an open report describing the issue.