Bukkit

What steps will reproduce the problem?
1.Install SpiGot 1.8.6
2.
3.

What is the expected output? What do you see instead?
It can be loaded.

What version of the product are you using?
FramePicture 1.7.7

Do you have an error log of what happened?
[20:36:39 INFO]: [FramePicture] Enabling FramePicture v1.7.7
[20:36:39 INFO]: [FramePicture] Configuration loaded!
[20:36:39 ERROR]: Error occurred while enabling FramePicture v1.7.7 (Is it up to date?)
java.lang.NoClassDefFoundError: org/bukkit/craftbukkit/v1_8_R2/entity/CraftItemFrame
        at de.howaner.FramePicture.util.Utils.setFrameItemWithoutSending(Utils.java:28) ~[?:?]
        at de.howaner.FramePicture.FrameManager.loadFrames(FrameManager.java:317) ~[?:?]
        at de.howaner.FramePicture.FrameManager.onEnable(FrameManager.java:58) ~[?:?]
        at de.howaner.FramePicture.FramePicturePlugin.onEnable(FramePicturePlugin.java:56) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:321) ~[spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:340) [spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405) [spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at me.jmgr2007.Reloader.Utils.load(Utils.java:93) [Reloader.jar:?]
        at me.jmgr2007.Reloader.ReloaderListener.onCommand(ReloaderListener.java:64) [Reloader.jar:?]
        at org.bukkit.command.PluginCommand.execute(PluginCommand.java:44) [spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:141) [spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchCommand(CraftServer.java:646) [spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.craftbukkit.v1_8_R3.CraftServer.dispatchServerCommand(CraftServer.java:632) [spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.DedicatedServer.aO(DedicatedServer.java:404) [spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.DedicatedServer.B(DedicatedServer.java:368) [spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.MinecraftServer.A(MinecraftServer.java:657) [spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:560) [spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at java.lang.Thread.run(Thread.java:745) [?:1.8.0_45]
Caused by: java.lang.ClassNotFoundException: org.bukkit.craftbukkit.v1_8_R2.entity.CraftItemFrame
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:91) ~[spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[spigot-1.8.6-R0.1-SNAPSHOT.jar:git-Spigot-6a6b839-b0e81a4]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_45]
        at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_45]
        ... 18 more

Please provide any additional information below.
It seems like there was a small API change from SpiGot 1.8.3 to 1.8.6, since that it doesn't work anymore.
I'm not sure if it was working with 1.8.4 too.