[Wed 16:31:06 ERROR Minecraft] Could not pass event InventoryClickEvent to Skywars v5.6.29
java.lang.NullPointerException: Cannot invoke "org.bukkit.World.getBlockAt(int, int, int)" because "world" is null
    at SkyWarsReloaded 5.6.29.jar//com.walrusone.skywarsreloaded.game.cages.Cage.setBlockColor(Cage.java:120)
    at SkyWarsReloaded 5.6.29.jar//com.walrusone.skywarsreloaded.game.cages.Cage.setGlassColor(Cage.java:99)
    at SkyWarsReloaded 5.6.29.jar//com.walrusone.skywarsreloaded.game.TeamCard.lambda$spawnCage$1(TeamCard.java:141)
    at SkyWarsReloaded 5.6.29.jar//com.walrusone.skywarsreloaded.game.TeamCard.spawnCage(TeamCard.java:143)
    at SkyWarsReloaded 5.6.29.jar//com.walrusone.skywarsreloaded.game.TeamCard.sendReservation(TeamCard.java:117)
    at SkyWarsReloaded 5.6.29.jar//com.walrusone.skywarsreloaded.game.GameMap.addPlayers(GameMap.java:426)
    at SkyWarsReloaded 5.6.29.jar//com.walrusone.skywarsreloaded.menus.JoinSingleMenu.lambda$new$1(JoinSingleMenu.java:319)
    at SkyWarsReloaded 5.6.29.jar//com.walrusone.skywarsreloaded.menus.IconMenu.onInventoryClick(IconMenu.java:86)
    at SkyWarsReloaded 5.6.29.jar//com.walrusone.skywarsreloaded.listeners.IconMenuController.onInventoryClick(IconMenuController.java:84)
    at com.destroystokyo.paper.event.executor.asm.generated.GeneratedEventExecutor444.execute(Unknown Source)
    at org.bukkit.plugin.EventExecutor$2.execute(EventExecutor.java:77)
    at co.aikar.timings.TimedEventExecutor.execute(TimedEventExecutor.java:81)
    at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70)
    at io.papermc.paper.plugin.manager.PaperEventManager.callEvent(PaperEventManager.java:54)
    at io.papermc.paper.plugin.manager.PaperPluginManagerImpl.callEvent(PaperPluginManagerImpl.java:126)
    at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:615)
at net.minecraft.server.network.ServerGamePacketListenerImpl.handleContainerClick(ServerGamePacketListenerImpl.java:3106)
    at net.minecraft.network.pro