1.9.0 incompatibility with Magma ?

[noah083032]

I use Magma because I wanna play Project Korra and The avatar mod together In my server, I can use version Korra 1.8.7 but when I use 1.8.8 or above is nothing happens when I use the command, and also in ProjectKorra config file It works on 1.8.7 but doesn't work on 1.9.0 please help or I do something wrong?

This is thread when I stop the server

[05.06 18:46:01] [Server] [Server thread/INFO] [net.minecraft.server.MinecraftServer]: Stopping server [05.06 18:46:01] [Server] [Server thread/INFO] [com.projectkorra.projectkorra.ProjectKorra]: [ProjectKorra] Disabling ProjectKorra v1.9.0 [05.06 18:46:01] [Server] [Server thread/ERROR] [Minecraft]: Error occurred while disabling ProjectKorra v1.9.0 (Is it up to date?) [05.06 18:46:01] [Server] java.lang.NullPointerExceptionnull [05.06 18:46:01] [Server] at com.projectkorra.projectkorra.ProjectKorra.onDisable(ProjectKorra.java:158) ~[?:?] [05.06 18:46:01] [Server] at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:161) ~[JavaPlugin.class:48ec0a1] [05.06 18:46:01] [Server] at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:351) [JavaPluginLoader.class:48ec0a1] [05.06 18:46:01] [Server] at org.bukkit.plugin.PluginLoader.disablePlugin(PluginLoader.java:88) [PluginLoader.class:48ec0a1] [05.06 18:46:01] [Server] at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:442) [SimplePluginManager.class:48ec0a1] [05.06 18:46:01] [Server] at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:427) [SimplePluginManager.class:48ec0a1] [05.06 18:46:01] [Server] at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:420) [SimplePluginManager.class:48ec0a1] [05.06 18:46:01] [Server] at org.bukkit.craftbukkit.v1_12_R1.CraftServer.disablePlugins(CraftServer.java:374) [CraftServer.class:48ec0a1] [05.06 18:46:01] [Server] at net.minecraft.server.MinecraftServer.func_71260_j(MinecraftServer.java:570) [MinecraftServer.class:?] [05.06 18:46:01] [Server] at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:779) [MinecraftServer.class:?] [05.06 18:46:01] [Server] at java.lang.Thread.run(Thread.java:748) [?:1.8.0_271]