[INFO] FrontalTiara54 issued server command: /wb set 1000

[INFO] [WorldBorder] Border set. World "HUB" has border radius 1000 at X: 21.5 Z: 11.5

[INFO] [WorldBorder] [CONFIG] Configuration saved.

[INFO] FrontalTiara54 issued server command: /wb fill

[INFO] FrontalTiara54 issued server command: /wb fill confirm

[INFO] [WorldBorder] Filling out world to border at the command of player "FrontalTiara54".

[INFO] [WorldBorder] world: HUB padding: 208 repeats: 1 ticks: 1

[INFO] [WorldBorder] [Fill] 9984 more chunks processed (9984 total, ~42.4%) (free mem: 149 MB)

[INFO] [WorldBorder] [Fill] Available memory is very low, task is pausing. A cleanup will be attempted now, and the task will automatically continue if/when sufficient memory is freed up.

Alternatively, if you restart the server, this task will automatically continue once the server is back up.