✓ TradeMe with API to create custom trades (1.7.10-1.13.x) 5.2.1.0

thanks

doesn't work in the game... plugin loaded, files created but

>[2K [02:55:36 ERROR]: null
org.bukkit.command.CommandException: Unhandled exception executing command 'trade' in plugin TradeMe v5.2.1.0
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:46) ~[server.jar:git-Spigot-fe3ab0d-162bda9]
at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) ~[server.jar:git-Spigot-fe3ab0d-162bda9]
at org.bukkit.craftbukkit.v1_13_R1.CraftServer.dispatchCommand(CraftServer.java:694) ~[server.jar:git-Spigot-fe3ab0d-162bda9]
at net.minecraft.server.v1_13_R1.PlayerConnection.handleCommand(PlayerConnection.java:1634) ~[server.jar:git-Spigot-fe3ab0d-162bda9]
at net.minecraft.server.v1_13_R1.PlayerConnection.a(PlayerConnection.java:1469) ~[server.jar:git-Spigot-fe3ab0d-162bda9]
at net.minecraft.server.v1_13_R1.PacketPlayInChat.a(PacketPlayInChat.java:45) ~[server.jar:git-Spigot-fe3ab0d-162bda9]
at net.minecraft.server.v1_13_R1.PacketPlayInChat.a(PacketPlayInChat.java:1) ~[server.jar:git-Spigot-fe3ab0d-162bda9]
at net.minecraft.server.v1_13_R1.PlayerConnectionUtils.a(SourceFile:10) ~[server.jar:git-Spigot-fe3ab0d-162bda9]
at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:511) [?:1.8.0_131]
at java.util.concurrent.FutureTask.run(FutureTask.java:266) [?:1.8.0_131]
at net.minecraft.server.v1_13_R1.SystemUtils.a(SourceFile:198) [server.jar:git-Spigot-fe3ab0d-162bda9]
at net.minecraft.server.v1_13_R1.MinecraftServer.w(MinecraftServer.java:884) [server.jar:git-Spigot-fe3ab0d-162bda9]
at net.minecraft.server.v1_13_R1.DedicatedServer.w(DedicatedServer.java:411) [server.jar:git-Spigot-fe3ab0d-162bda9]
at net.minecraft.server.v1_13_R1.MinecraftServer.v(MinecraftServer.java:819) [server.jar:git-Spigot-fe3ab0d-162bda9]
at net.minecraft.server.v1_13_R1.MinecraftServer.run(MinecraftServer.java:717) [server.jar:git-Spigot-fe3ab0d-162bda9]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_131]
Caused by: java.lang.NoSuchMethodError: de.Keyle.MyPet.api.entity.MyPet.getHungerValue()D
at me.Zrips.TradeMe.SpecialActionPack.MyPetUtil.Buttons(MyPetUtil.java:155) ~[?:?]
at me.Zrips.TradeMe.Util.updateAmountOffer(Util.java:819) ~[?:?]
at me.Zrips.TradeMe.commands.list.accept.perform(accept.java:76) ~[?:?]
at me.Zrips.TradeMe.commands.CommandsHandler.onCommand(CommandsHandler.java:192) ~[?:?]
at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) ~[server.jar:git-Spigot-fe3ab0d-162bda9]
... 15 more