Bukkit

What steps will reproduce the problem?
1. Try to renew pricing
2.
3.

What is the expected output? What do you see instead?
Internal error has occured

What version of the product are you using?
9.1

Do you have an error log of what happened?

05.07 17:39:13 [Server] INFO ... 12 more
05.07 17:39:13 [Server] INFO at org.bukkit.command.PluginCommand.execute(PluginCommand.java:40)
05.07 17:39:13 [Server] INFO at me.ksafin.DynamicEconomy.DynamicEconomyCommandExecutor.onCommand(DynamicEconomyCommandExecutor.java:1089)
05.07 17:39:13 [Server] INFO at me.ksafin.DynamicEconomy.EnderEngine.reCalculatePrices(EnderEngine.java:88)
05.07 17:39:13 [Server] INFO at me.ksafin.DynamicEconomy.EnderEngine.calcPrice(EnderEngine.java:179)
05.07 17:39:13 [Server] INFO at java.lang.Double.valueOf(Double.java:504)
05.07 17:39:13 [Server] INFO at sun.misc.FloatingDecimal.readJavaFormatString(FloatingDecimal.java:1241)
05.07 17:39:13 [Server] INFO Caused by: java.lang.NumberFormatException: For input string: "�"
05.07 17:39:13 [Server] INFO at net.minecraft.server.ThreadServerApplication.run(SourceFile:492)
05.07 17:39:13 [Server] INFO at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:459)
05.07 17:39:13 [Server] INFO at net.minecraft.server.MinecraftServer.w(MinecraftServer.java:567)
05.07 17:39:13 [Server] INFO at net.minecraft.server.NetworkListenThread.a(NetworkListenThread.java:78)
05.07 17:39:13 [Server] INFO at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:113)
05.07 17:39:13 [Server] INFO at net.minecraft.server.NetworkManager.b(NetworkManager.java:229)
05.07 17:39:13 [Server] INFO at net.minecraft.server.Packet3Chat.handle(Packet3Chat.java:34)
05.07 17:39:13 [Server] INFO at net.minecraft.server.NetServerHandler.a(NetServerHandler.java:764)
05.07 17:39:13 [Server] INFO at net.minecraft.server.NetServerHandler.chat(NetServerHandler.java:781)
05.07 17:39:13 [Server] INFO at net.minecraft.server.NetServerHandler.handleCommand(NetServerHandler.java:821)
05.07 17:39:13 [Server] INFO at org.bukkit.craftbukkit.CraftServer.dispatchCommand(CraftServer.java:479)
05.07 17:39:13 [Server] INFO at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:166)
05.07 17:39:13 [Server] INFO at org.bukkit.command.PluginCommand.execute(PluginCommand.java:42)
05.07 17:39:13 [Server] INFO org.bukkit.command.CommandException: Unhandled exception executing command 'renewpricing' in plugin DynamicEconomy v.9.1
05.07 17:39:13 [Server] SEVERE null

Please provide any additional information below.

Ok, provide your items.yml

http://pastebin.com/xUyGQ8b8 There ya go!