keepalive.sc not working properly

[FalseIokkon]

Describe the bug A clear and concise description of what the bug is.

To Reproduce Steps to reproduce the behavior:

1. Spawn at least two players using /player spawn at ~ ~ ~
2. Have keepalive.sc loaded
3. Stop and start the server
4. Only one player will be logged in.

Some issue when the server tries to respawn the first player, causing second and any following players to not respawn. [16:33:57] [Server thread/INFO]: Callback failed: ); HERE>> modify(player(_:'name'), 'flying', _:'fly') ) First argument to modify should be an entity in keepalive at line 17, pos 10

Expected behavior All players should properly respawn

Environment

• Carpet version: fabric-carpet-1.21-1.4.147+v240623.jar
• Minecraft version: 1.21

Additional context Add any other context about the problem here.