java.lang.NoClassDefFoundError: net.minecraft.server.v1_13_R2.Packet

at com.nisovin.magicspells.MagicSpells.load(MagicSpells.java:228) ~[?:?]

at com.nisovin.magicspells.MagicSpells.onEnable(MagicSpells.java:187) ~[?:?]

at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[spigot-1.14.4.jar:git-Spigot-56f8471-56118c6]

at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:352) [spigot-1.14.4.jar:git-Spigot-56f8471-56118c6]

at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:417) [spigot-1.14.4.jar:git-Spigot-56f8471-56118c6]

at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugin(CraftServer.java:461) [spigot-1.14.4.jar:git-Spigot-56f8471-56118c6]

at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugins(CraftServer.java:375) [spigot-1.14.4.jar:git-Spigot-56f8471-56118c6]

at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:449) [spigot-1.14.4.jar:git-Spigot-56f8471-56118c6]

at net.minecraft.server.v1_14_R1.DedicatedServer.init(DedicatedServer.java:266) [spigot-1.14.4.jar:git-Spigot-56f8471-56118c6]

at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:775) [spigot-1.14.4.jar:git-Spigot-56f8471-56118c6]

at java.lang.Thread.run(Thread.java:813) [?:1.8.0_212]

Caused by: java.lang.ClassNotFoundException: net.minecraft.server.v1_13_R2.Packet

at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:86) ~[spigot-1.14.4.jar:git-Spigot-56f8471-56118c6]

at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:81) ~[spigot-1.14.4.jar:git-Spigot-56f8471-56118c6]

at java.lang.ClassLoader.loadClassHelper(ClassLoader.java:946) ~[?:1.8.0_212]

at java.lang.ClassLoader.loadClass(ClassLoader.java:891) ~[?:1.8.0_212]

at java.lang.ClassLoader.loadClass(ClassLoader.java:874) ~[?:1.8.0_212]

... 11 more