error in console

[jefflima1]

[01:39:59 INFO]: B_Mimic16182 issued server command: /clan join
[01:39:59 INFO]: [ClansLite] 00000000-0000-0000-0009-01f13112617c
[01:39:59 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'clan' in plugin ClansLite v1.3.8
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:47) ~[paper-api-1.19.4-R0.1-SNAPSHOT.jar:?]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:155) ~[paper-api-1.19.4-R0.1-SNAPSHOT.jar:?]
at org.bukkit.craftbukkit.v1_19_R3.CraftServer.dispatchCommand(CraftServer.java:906) ~[paper-1.19.4.jar:git-Paper-460]
at org.bukkit.craftbukkit.v1_19_R3.command.BukkitCommandWrapper.run(BukkitCommandWrapper.java:64) ~[paper-1.19.4.jar:git-Paper-460]
at com.mojang.brigadier.CommandDispatcher.execute(CommandDispatcher.java:264) ~[paper-1.19.4.jar:?]
at net.minecraft.commands.Commands.performCommand(Commands.java:322) ~[?:?]
at net.minecraft.commands.Commands.performCommand(Commands.java:306) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.performChatCommand(ServerGamePacketListenerImpl.java:2280) ~[?:?]
at net.minecraft.server.network.ServerGamePacketListenerImpl.lambda$handleChatCommand$20(ServerGamePacketListenerImpl.java:2240) ~[?:?]
at net.minecraft.util.thread.BlockableEventLoop.lambda$submitAsync$0(BlockableEventLoop.java:59) ~[?:?]
at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1768) ~[?:?]
at net.minecraft.server.TickTask.run(TickTask.java:18) ~[paper-1.19.4.jar:git-Paper-460]
at net.minecraft.util.thread.BlockableEventLoop.doRunTask(BlockableEventLoop.java:153) ~[?:?]
at net.minecraft.util.thread.ReentrantBlockableEventLoop.doRunTask(ReentrantBlockableEventLoop.java:24) ~[?:?]
at net.minecraft.server.MinecraftServer.doRunTask(MinecraftServer.java:1341) ~[paper-1.19.4.jar:git-Paper-460]
at net.minecraft.server.MinecraftServer.d(MinecraftServer.java:197) ~[paper-1.19.4.jar:git-Paper-460]
at net.minecraft.util.thread.BlockableEventLoop.pollTask(BlockableEventLoop.java:126) ~[?:?]
at net.minecraft.server.MinecraftServer.pollTaskInternal(MinecraftServer.java:1318) ~[paper-1.19.4.jar:git-Paper-460]
at net.minecraft.server.MinecraftServer.pollTask(MinecraftServer.java:1311) ~[paper-1.19.4.jar:git-Paper-460]
at net.minecraft.util.thread.BlockableEventLoop.managedBlock(BlockableEventLoop.java:136) ~[?:?]
at net.minecraft.server.MinecraftServer.waitUntilNextTick(MinecraftServer.java:1289) ~[paper-1.19.4.jar:git-Paper-460]
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:1177) ~[paper-1.19.4.jar:git-Paper-460]
at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:319) ~[paper-1.19.4.jar:git-Paper-460]
at java.lang.Thread.run(Thread.java:833) ~[?:?]
Caused by: java.lang.NullPointerException: Cannot invoke "org.bukkit.entity.Player.getUniqueId()" because "player" is null
at xyz.gamlin.clans.utils.ClansStorageUtil.findClanByOwner(ClansStorageUtil.java:174) ~[ClansLite-1.3.8.jar:?]
at xyz.gamlin.clans.commands.clanSubCommands.ClanJoinSubCommand.clanJoinSubCommand(ClanJoinSubCommand.java:37) ~[ClansLite-1.3.8.jar:?]
at xyz.gamlin.clans.commands.ClanCommand.onCommand(ClanCommand.java:117) ~[ClansLite-1.3.8.jar:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:45) ~[paper-api-1.19.4-R0.1-SNAPSHOT.jar:?]
... 23 more

ClanLite latest version 1.3.8
This server is running Paper version git-Paper-460 (MC: 1.19.4) (Implementing API version 1.19.4-R0.1-SNAPSHOT) (Git: 662b85e)

"Player is connected via geysermc I don't know if this is relevant."