PlotMines - Another Error

[14:54:45] [Server thread/INFO]: +---------( PlotMines )---------+
[14:54:45] [Server thread/INFO]: You're currently using 4.2.0 of PlotMines.
[14:54:45] [Server thread/INFO]: +----------------------------+
[14:55:00] [Server thread/INFO]: TPS from last 1m, 5m, 15m: 20.0, 20.0, 20.0
[14:56:00] [Server thread/INFO]: TPS from last 1m, 5m, 15m: 20.0, 20.0, 20.0
[14:56:22] [Server thread/INFO]: +---------( PlotMines )---------+
[14:56:22] [Server thread/INFO]: (!) » You can click on a Tier to obtain it.
[14:56:22] [Server thread/WARN]: Unexpected exception while parsing console command "plotmines list"
org.bukkit.command.CommandException: Unhandled exception executing command 'plotmines' in plugin PlotMines v4.2.0
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[patched_1.16.1.jar:git-Paper-135]
	at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[patched_1.16.1.jar:git-Paper-135]
	at org.bukkit.craftbukkit.v1_16_R1.CraftServer.dispatchCommand(CraftServer.java:794) ~[patched_1.16.1.jar:git-Paper-135]
	at org.bukkit.craftbukkit.v1_16_R1.CraftServer.dispatchServerCommand(CraftServer.java:756) ~[patched_1.16.1.jar:git-Paper-135]
	at net.minecraft.server.v1_16_R1.DedicatedServer.handleCommandQueue(DedicatedServer.java:411) ~[patched_1.16.1.jar:git-Paper-135]
	at net.minecraft.server.v1_16_R1.DedicatedServer.b(DedicatedServer.java:378) ~[patched_1.16.1.jar:git-Paper-135]
	at net.minecraft.server.v1_16_R1.MinecraftServer.a(MinecraftServer.java:1213) ~[patched_1.16.1.jar:git-Paper-135]
	at net.minecraft.server.v1_16_R1.MinecraftServer.v(MinecraftServer.java:1001) ~[patched_1.16.1.jar:git-Paper-135]
	at net.minecraft.server.v1_16_R1.MinecraftServer.lambda$a$0(MinecraftServer.java:177) ~[patched_1.16.1.jar:git-Paper-135]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_261]
Caused by: java.lang.ClassCastException: com.destroystokyo.paper.console.TerminalConsoleCommandSender cannot be cast to org.bukkit.entity.Player
	at com.PCPSells.plotmines.Commands.onCommand(Commands.java:199) ~[?:?]
	at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[patched_1.16.1.jar:git-Paper-135]
	... 9 more
[14:57:00] [Server thread/INFO]: TPS from last 1m, 5m, 15m: 20.0, 20.0, 20.0