Hi!
So, when i add +unimixins-all-1.7.10-0.1.17 to the server, Powernbt returns this error:

[20:46:42] [Server thread/INFO]: [PowerNBT] Enabling PowerNBT v0.8.9.2
[20:46:43] [Server thread/ERROR]: Error occurred while enabling PowerNBT v0.8.9.2 (Is it up to date?)
java.lang.NoClassDefFoundError: mt
at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:1.8.0_221]
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[?:1.8.0_221]
at java.lang.Class.privateGetPublicMethods(Class.java:2902) ~[?:1.8.0_221]
at java.lang.Class.privateGetPublicMethods(Class.java:2911) ~[?:1.8.0_221]
at java.lang.Class.getMethods(Class.java:1615) ~[?:1.8.0_221]
at me.dpohvar.powernbt.utils.ReflectionUtils$RefClass.findMethodByReturnType(ReflectionUtils.java:357) ~[PowerNBT2.jar:?]
at me.dpohvar.powernbt.utils.ReflectionUtils$RefClass.findMethodByReturnType(ReflectionUtils.java:330) ~[PowerNBT2.jar:?]
at me.dpohvar.powernbt.utils.EntityUtils.(EntityUtils.java:46) ~[PowerNBT2.jar:?]
at me.dpohvar.powernbt.utils.EntityUtils.(EntityUtils.java:20) ~[PowerNBT2.jar:?]
at me.dpohvar.powernbt.PowerNBT.initializeUtils(PowerNBT.java:133) ~[PowerNBT2.jar:?]
at me.dpohvar.powernbt.PowerNBT.onEnable(PowerNBT.java:125) ~[PowerNBT2.jar:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:316) ~[JavaPlugin.class:1.7.10-5.4]
at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:362) [JavaPluginLoader.class:1.7.10-5.4]
at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:409) [SimplePluginManager.class:1.7.10-5.4]
at org.bukkit.craftbukkit.v1_7_R4.CraftServer.loadPlugin(CraftServer.java:402) [CraftServer.class:1.7.10-5.4]
at org.bukkit.craftbukkit.v1_7_R4.CraftServer.enablePlugins(CraftServer.java:336) [CraftServer.class:1.7.10-5.4]
at net.minecraft.server.MinecraftServer.func_71243_i(MinecraftServer.java:513) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:487) [MinecraftServer.class:?]
at net.minecraft.server.MinecraftServer.func_71247_a(MinecraftServer.java:447) [MinecraftServer.class:?]
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:336) [lt.class:?]
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:641) [MinecraftServer.class:?]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_221]

Is there any workaround?