[21:09:11] [Server thread/ERROR]: Could not pass event InventoryClickEvent to IridiumSkyblock v3.0.0
org.bukkit.event.EventException: null
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:319) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at org.bukkit.plugin.RegisteredListener.callEvent(RegisteredListener.java:70) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at org.bukkit.plugin.SimplePluginManager.fireEvent(SimplePluginManager.java:589) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at org.bukkit.plugin.SimplePluginManager.callEvent(SimplePluginManager.java:576) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.PlayerConnection.a(PlayerConnection.java:2277) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.PacketPlayInWindowClick.a(SourceFile:32) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.PacketPlayInWindowClick.a(SourceFile:10) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.PlayerConnectionUtils.lambda$0(PlayerConnectionUtils.java:19) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.TickTask.run(SourceFile:18) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeTask(SourceFile:144) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandlerReentrant.executeTask(SourceFile:23) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.executeNext(SourceFile:118) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.MinecraftServer.bb(MinecraftServer.java:941) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.MinecraftServer.executeNext(MinecraftServer.java:934) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.IAsyncTaskHandler.awaitTasks(SourceFile:127) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.MinecraftServer.sleepForTick(MinecraftServer.java:918) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.MinecraftServer.w(MinecraftServer.java:850) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at net.minecraft.server.v1_16_R3.MinecraftServer.lambda$0(MinecraftServer.java:164) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_291]
Caused by: java.lang.NumberFormatException: For input string: "125,00"
        at sun.misc.FloatingDecimal.readJavaFormatString(Unknown Source) ~[?:1.8.0_291]
        at sun.misc.FloatingDecimal.parseDouble(Unknown Source) ~[?:1.8.0_291]
        at java.lang.Double.parseDouble(Unknown Source) ~[?:1.8.0_291]
        at com.iridium.iridiumskyblock.shop.ShopManager.calculateCost(ShopManager.java:203) ~[?:?]
        at com.iridium.iridiumskyblock.shop.ShopManager.buy(ShopManager.java:95) ~[?:?]
        at com.iridium.iridiumskyblock.gui.ShopCategoryGUI.onInventoryClick(ShopCategoryGUI.java:57) ~[?:?]
        at com.iridium.iridiumskyblock.listeners.InventoryClickListener.onInventoryClick(InventoryClickListener.java:14) ~[?:?]
        at sun.reflect.GeneratedMethodAccessor124.invoke(Unknown Source) ~[?:?]
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source) ~[?:1.8.0_291]
        at java.lang.reflect.Method.invoke(Unknown Source) ~[?:1.8.0_291]
        at org.bukkit.plugin.java.JavaPluginLoader$1.execute(JavaPluginLoader.java:315) ~[SkyBlock.jar:git-Spigot-37d799b-3eb7236]
        ... 18 more