Bukkit

What steps will reproduce the problem?
1.it just happens
2.
3.

What is the expected output? What do you see instead?
Horses are very slow.

What version of the product are you using?
Horses v1.1.12

Do you have an error log of what happened?

[00:07:41] [Server thread/ERROR]: [Horses] Error getting/setting horse speed. This version of minecraft may not be fully supported
java.lang.NullPointerException
at com.forgenz.horses.util.HorseSpeedUtil.getAttributeInstance(HorseSpeedUtil.java:54) [Horses-1.1.12.jar:?]
at com.forgenz.horses.util.HorseSpeedUtil.setHorseSpeed(HorseSpeedUtil.java:41) [Horses-1.1.12.jar:?]
at com.forgenz.horses.PlayerHorse.spawnHorse(PlayerHorse.java:462) [Horses-1.1.12.jar:?]
at com.forgenz.horses.command.SummonCommand$1.run(SummonCommand.java:186) [Horses-1.1.12.jar:?]
at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftTask.run(CraftTask.java:53) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:600) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:260) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:558) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:469) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
[00:07:41] [Server thread/ERROR]: [Horses] Error setting horse speed. This version of minecraft may not be fully supported
java.lang.NullPointerException
at com.forgenz.horses.util.HorseSpeedUtil.setHorseSpeed(HorseSpeedUtil.java:41) [Horses-1.1.12.jar:?]
at com.forgenz.horses.PlayerHorse.spawnHorse(PlayerHorse.java:462) [Horses-1.1.12.jar:?]
at com.forgenz.horses.command.SummonCommand$1.run(SummonCommand.java:186) [Horses-1.1.12.jar:?]
at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftTask.run(CraftTask.java:53) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at org.bukkit.craftbukkit.v1_7_R3.scheduler.CraftScheduler.mainThreadHeartbeat(CraftScheduler.java:345) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.v(MinecraftServer.java:600) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.DedicatedServer.v(DedicatedServer.java:260) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.u(MinecraftServer.java:558) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.MinecraftServer.run(MinecraftServer.java:469) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]
at net.minecraft.server.v1_7_R3.ThreadServerApplication.run(SourceFile:628) [craftbukkit.jar:git-Bukkit-1.7.9-R0.1-10-g8688bd4-b3092jnks]

Please provide any additional information below.

I Have the same problem. :(