Stack trace:
[18:17:55] [Server thread/ERROR]: #!#! java.lang.NullPointerException
[18:17:55] [Server thread/ERROR]: #!#!     at com.sk89q.worldguard.bukkit.WorldConfiguration.getBoolean(WorldConfiguration.java:219)
[18:17:55] [Server thread/ERROR]: #!#!     at com.sk89q.worldguard.bukkit.WorldConfiguration.loadConfiguration(WorldConfiguration.java:344)
[18:17:55] [Server thread/ERROR]: #!#!     at com.sk89q.worldguard.bukkit.WorldConfiguration.<init>(WorldConfiguration.java:211)
[18:17:55] [Server thread/ERROR]: #!#!     at com.sk89q.worldguard.bukkit.ConfigurationManager.get(ConfigurationManager.java:228)
[18:17:55] [Server thread/ERROR]: #!#!     at com.sk89q.worldguard.bukkit.WorldGuardPlugin.getRegionManager(WorldGuardPlugin.java:1016)
[18:17:55] [Server thread/ERROR]: #!#!     at ch.njol.skript.hooks.regions.WorldGuardHook.getRegionsAt_i(WorldGuardHook.java:250)
[18:17:55] [Server thread/ERROR]: #!#!     at ch.njol.skript.hooks.regions.RegionsPlugin.getRegionsAt(RegionsPlugin.java:94)
[18:17:55] [Server thread/ERROR]: #!#!     at ch.njol.skript.hooks.regions.expressions.ExprRegionsAt.get(ExprRegionsAt.java:85)
[18:17:55] [Server thread/ERROR]: #!#!     at ch.njol.skript.hooks.regions.expressions.ExprRegionsAt.get(ExprRegionsAt.java:1)
[18:17:55] [Server thread/ERROR]: #!#!     at ch.njol.skript.lang.util.SimpleExpression.getAll(SimpleExpression.java:79)
[18:17:55] [Server thread/ERROR]: #!#!     at ch.njol.skript.conditions.CondIsSet.check(CondIsSet.java:77)
[18:17:55] [Server thread/ERROR]: #!#!     at ch.njol.skript.conditions.CondIsSet.check(CondIsSet.java:83)
[18:17:55] [Server thread/ERROR]: #!#!     at ch.njol.skript.lang.Condition.run(Condition.java:58)
[18:17:55] [Server thread/ERROR]: #!#!     at ch.njol.skript.lang.Conditional.walk(Conditional.java:53)
[18:17:55] [Server thread/ERROR]: #!#!     at ch.njol.skript.lang.TriggerItem.walk(TriggerItem.java:93)
[18:17:55] [Server thread/ERROR]: #!#!     at ch.njol.skript.effects.Delay$1.run(Delay.java:84)
[18:17:55] [Server thread/ERROR]: #!#!     at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftTask.run(CraftTask.java:71)
[18:17:55] [Server thread/ERROR]: #!#!     at org.bukkit.craftbukkit.v1_12_R1.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:353)
[18:17:55] [Server thread/ERROR]: #!#!     at net.minecraft.server.v1_12_R1.MinecraftServer.D(MinecraftServer.java:738)
[18:17:55] [Server thread/ERROR]: #!#!     at net.minecraft.server.v1_12_R1.DedicatedServer.D(DedicatedServer.java:405)
[18:17:55] [Server thread/ERROR]: #!#!     at net.minecraft.server.v1_12_R1.MinecraftServer.C(MinecraftServer.java:678)
[18:17:55] [Server thread/ERROR]: #!#!     at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:576)
[18:17:55] [Server thread/ERROR]: #!#!     at java.lang.Thread.run(Unknown Source)
[18:17:55] [Server thread/ERROR]: #!#!
[18:17:55] [Server thread/ERROR]: #!#! Version Information:
[18:17:55] [Server thread/ERROR]: #!#!   Skript: 2.2-dev23
[18:17:55] [Server thread/ERROR]: #!#!   Bukkit: 1.12-R0.1-SNAPSHOT
[18:17:55] [Server thread/ERROR]: #!#!   Minecraft: 1.12
[18:17:55] [Server thread/ERROR]: #!#!   Java: 1.8.0_144 (Java HotSpot(TM) Client VM 25.144-b01)
[18:17:55] [Server thread/ERROR]: #!#!   OS: Windows 7 x86 6.1
[18:17:55] [Server thread/ERROR]: #!#!
[18:17:55] [Server thread/ERROR]: #!#! Running CraftBukkit: false
[18:17:55] [Server thread/ERROR]: #!#!
[18:17:55] [Server thread/ERROR]: #!#! Current node: null
[18:17:55] [Server thread/ERROR]: #!#! Current item: the regions at at (the player >> ch.njol.skript.classes.data.DefaultConverters$10@29143e: org.bukkit.entity.Player->org.bukkit.Location) is set
[18:17:55] [Server thread/ERROR]: #!#!
[18:17:55] [Server thread/ERROR]: #!#! Thread: Server thread
[18:17:55] [Server thread/ERROR]: #!#!
[18:17:55] [Server thread/ERROR]: #!#! End of Error.