[07:54:55] [Server thread/ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'manageshop' in plugin HyperConomy v0.974.3
 at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[Spigot.jar:git-Spigot-1322]
 at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:175) ~[Spigot.jar:git-Spigot-1322]
 at org.bukkit.craftbukkit.v1_7_R1.CraftServer.dispatchCommand(CraftServer.java:704) ~[Spigot.jar:git-Spigot-1322]
 at net.minecraft.server.v1_7_R1.PlayerConnection.handleCommand(PlayerConnection.java:972) [Spigot.jar:git-Spigot-1322]
 at net.minecraft.server.v1_7_R1.PlayerConnection.a(PlayerConnection.java:817) [Spigot.jar:git-Spigot-1322]
 at net.minecraft.server.v1_7_R1.PacketPlayInChat.a(PacketPlayInChat.java:28) [Spigot.jar:git-Spigot-1322]
 at net.minecraft.server.v1_7_R1.PacketPlayInChat.handle(PacketPlayInChat.java:65) [Spigot.jar:git-Spigot-1322]
 at net.minecraft.server.v1_7_R1.NetworkManager.a(NetworkManager.java:147) [Spigot.jar:git-Spigot-1322]
 at net.minecraft.server.v1_7_R1.ServerConnection.c(ServerConnection.java:77) [Spigot.jar:git-Spigot-1322]
 at net.minecraft.server.v1_7_R1.MinecraftServer.u(MinecraftServer.java:700) [Spigot.jar:git-Spigot-1322]
 at net.minecraft.server.v1_7_R1.DedicatedServer.u(DedicatedServer.java:273) [Spigot.jar:git-Spigot-1322]
 at net.minecraft.server.v1_7_R1.MinecraftServer.t(MinecraftServer.java:562) [Spigot.jar:git-Spigot-1322]
 at net.minecraft.server.v1_7_R1.MinecraftServer.run(MinecraftServer.java:469) [Spigot.jar:git-Spigot-1322]
 at net.minecraft.server.v1_7_R1.ThreadServerApplication.run(SourceFile:617) [Spigot.jar:git-Spigot-1322]
Caused by: java.lang.IllegalArgumentException: Cannot set to an empty path
 at org.apache.commons.lang.Validate.notEmpty(Validate.java:321) ~[Spigot.jar:git-Spigot-1322]
 at org.bukkit.configuration.MemorySection.set(MemorySection.java:163) ~[Spigot.jar:git-Spigot-1322]
 at org.bukkit.configuration.MemorySection.set(MemorySection.java:193) ~[Spigot.jar:git-Spigot-1322]
 at regalowl.hyperconomy.PlayerShop.deleteShop(PlayerShop.java:414) ~[?:?]
 at regalowl.hyperconomy.Manageshop.onCommand(Manageshop.java:335) ~[?:?]
 at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[Spigot.jar:git-Spigot-1322]
 ... 13 more