Ich habe Plotsquared schon seit drei Tagen auf meinem Server (1.16.4)

Hier der Link zum Plugin: https://www.spigotmc.org/resources/plotsquared-v4-v6-out-now.1177/updates

problem ist, Plotsquared will nicht mehr starten, hier die Fehlermeldung:

07:20:13] [Server thread/WARN]: [PlotSquared] ====================================================

[07:20:13] [Server thread/INFO]: Version is PlotSquared-4.494

[07:20:13] [Server thread/INFO]: [P2] PlotSquared is using online UUIDs

[07:20:13] [Server thread/WARN]: java.lang.NullPointerException: Cannot invoke "javax.script.ScriptEngine.eval(String)" because "this.engine" is null

[07:20:13] [Server thread/WARN]: at com.github.intellectualsites.plotsquared.plot.commands.DebugExec.init(DebugExec.java:108)

[07:20:13] [Server thread/WARN]: at com.github.intellectualsites.plotsquared.plot.commands.DebugExec.<init>(DebugExec.java:65)

[07:20:13] [Server thread/WARN]: at com.github.intellectualsites.plotsquared.plot.commands.MainCommand.getInstance(MainCommand.java:88)

[07:20:13] [Server thread/WARN]: at com.github.intellectualsites.plotsquared.plot.commands.SubCommand.<init>(SubCommand.java:20)

[07:20:13] [Server thread/WARN]: at com.github.intellectualsites.plotsquared.plot.commands.SubCommand.<init>(SubCommand.java:24)

[07:20:13] [Server thread/WARN]: at com.github.intellectualsites.plotsquared.bukkit.commands.DebugUUID.<init>(DebugUUID.java:44)

[07:20:13] [Server thread/WARN]: at com.github.intellectualsites.plotsquared.bukkit.util.BukkitCommand.<init>(BukkitCommand.java:24)

[07:20:13] [Server thread/WARN]: at com.github.intellectualsites.plotsquared.bukkit.BukkitMain.registerCommands(BukkitMain.java:291)

[07:20:13] [Server thread/WARN]: at com.github.intellectualsites.plotsquared.plot.PlotSquared.<init>(PlotSquared.java:239)

[07:20:13] [Server thread/WARN]: at com.github.intellectualsites.plotsquared.bukkit.BukkitMain.onEnable(BukkitMain.java:153)

[07:20:13] [Server thread/WARN]: at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263)

[07:20:13] [Server thread/WARN]: at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:351)

[07:20:13] [Server thread/WARN]: at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:480)

[07:20:13] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugin(CraftServer.java:494)

[07:20:13] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_16_R3.CraftServer.enablePlugins(CraftServer.java:408)

[07:20:13] [Server thread/WARN]: at net.minecraft.server.v1_16_R3.DedicatedServer.init(DedicatedServer.java:186)

[07:20:13] [Server thread/WARN]: at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:809)

[07:20:13] [Server thread/WARN]: at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$0(MinecraftServer.java:164)

[07:20:13] [Server thread/WARN]: at java.base/java.lang.Thread.run(Thread.java:832)

Bitte hilft mir, LG