When a new player joins, the server immediately crashes. I believe it may have something to do with essentials creating the files for that player, but i am unsure. Here are the error reports from the server console

10.12 02:05:24 [Server] ERROR The server has stopped responding!
10.12 02:05:24 [Server] ERROR Please report this to http://www.spigotmc.org/
10.12 02:05:24 [Server] ERROR Be sure to include ALL relevant console errors and Minecraft crash reports
10.12 02:05:24 [Server] ERROR Spigot version: git-Spigot-6016ac7-10c10b3 (MC: 1.10)
10.12 02:05:24 [Server] ERROR ------------------------------
10.12 02:05:24 [Server] ERROR Server thread dump (Look for plugins here before reporting to Spigot!):
10.12 02:05:24 [Server] ERROR ------------------------------
10.12 02:05:24 [Server] ERROR Current Thread: Server thread
10.12 02:05:24 [Server] ERROR PID: 15 | Suspended: false | Native: false | State: WAITING
10.12 02:05:24 [Server] ERROR Stack:
10.12 02:05:24 [Server] ERROR sun.misc.Unsafe.park(Native Method)
10.12 02:05:24 [Server] ERROR java.util.concurrent.locks.LockSupport.park(Unknown Source)
10.12 02:05:24 [Server] ERROR java.util.concurrent.locks.AbstractQueuedSynchronizer.parkAndCheckInterrupt(Unknown Source)
10.12 02:05:24 [Server] ERROR java.util.concurrent.locks.AbstractQueuedSynchronizer.doAcquireShared(Unknown Source)
10.12 02:05:24 [Server] ERROR java.util.concurrent.locks.AbstractQueuedSynchronizer.acquireShared(Unknown Source)
10.12 02:05:24 [Server] ERROR java.util.concurrent.locks.ReentrantReadWriteLock$ReadLock.lock(Unknown Source)
10.12 02:05:24 [Server] ERROR com.earth2me.essentials.storage.AsyncStorageObjectHolder.acquireReadLock(AsyncStorageObjectHolder.java:38)
10.12 02:05:24 [Server] ERROR com.earth2me.essentials.spawn.SpawnStorage.getSpawn(SpawnStorage.java:52)
10.12 02:05:24 [Server] ERROR com.earth2me.essentials.spawn.Commandspawn.respawn(Commandspawn.java:51)
10.12 02:05:24 [Server] ERROR com.earth2me.essentials.spawn.Commandspawn.run(Commandspawn.java:33)
10.12 02:05:24 [Server] ERROR com.earth2me.essentials.commands.EssentialsCommand.run(EssentialsCommand.java:146)
10.12 02:05:24 [Server] ERROR com.earth2me.essentials.Essentials.onCommandEssentials(Essentials.java:467)
10.12 02:05:24 [Server] ERROR com.earth2me.essentials.spawn.EssentialsSpawn.onCommand(EssentialsSpawn.java:64)
10.12 02:05:24 [Server] ERROR org.bukkit.command.PluginCommand.execute(PluginCommand.java:44)
10.12 02:05:24 [Server] ERROR org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141)
10.12 02:05:24 [Server] ERROR org.bukkit.craftbukkit.v1_10_R1.CraftServer.dispatchCommand(CraftServer.java:646)
10.12 02:05:24 [Server] ERROR net.minecraft.server.v1_10_R1.PlayerConnection.handleCommand(PlayerConnection.java:1348)
10.12 02:05:24 [Server] ERROR net.minecraft.server.v1_10_R1.PlayerConnection.a(PlayerConnection.java:1183)
10.12 02:05:24 [Server] ERROR net.minecraft.server.v1_10_R1.PacketPlayInChat.a(PacketPlayInChat.java:45)