[14:04:21] [Server thread/INFO]: [BookMenu] Loading BookMenu v1.4.4-beta
[14:04:22] [Server thread/ERROR]: Critical error. Looks like CraftBukkit got some dramatically changes or you using different core.
[14:04:22] [Server thread/WARN]: java.lang.NoSuchMethodException: There is no such method in this class with the specified name and parameter types
[14:04:22] [Server thread/WARN]: at me.meloncode.bookmenu.utils.ReflectionUtils.getMethod(ReflectionUtils.java:125)
[14:04:22] [Server thread/WARN]: at me.meloncode.bookmenu.utils.ReflectionUtils.getMethod(ReflectionUtils.java:142)
[14:04:22] [Server thread/WARN]: at me.meloncode.bookmenu.utils.BookUtil.<clinit>(BookUtil.java:68)
[14:04:22] [Server thread/WARN]: at me.meloncode.bookmenu.BookMenuPlugin.onLoad(BookMenuPlugin.java:82)
[14:04:22] [Server thread/WARN]: at org.bukkit.craftbukkit.v1_14_R1.CraftServer.loadPlugins(CraftServer.java:355)
[14:04:22] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.DedicatedServer.init(DedicatedServer.java:202)
[14:04:22] [Server thread/WARN]: at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:775)
[14:04:22] [Server thread/WARN]: at java.lang.Thread.run(Thread.java:748)