[20:59:43] [Server thread/ERROR]: Fatal error trying to convert Space v1.3:com/hmmcrunchy/space/Space.class
org.bukkit.plugin.AuthorNagException: No legacy enum constant for COMPARATOR. Did you forget to define api-version: 1.13 in your plugin.yml?
    at org.bukkit.craftbukkit.v1_13_R2.util.Commodore$1$1.visitFieldInsn(Commodore.java:154) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at org.objectweb.asm.ClassReader.readCode(ClassReader.java:2207) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at org.objectweb.asm.ClassReader.readMethod(ClassReader.java:1274) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at org.objectweb.asm.ClassReader.accept(ClassReader.java:679) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at org.objectweb.asm.ClassReader.accept(ClassReader.java:391) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at org.bukkit.craftbukkit.v1_13_R2.util.Commodore.convert(Commodore.java:130) ~[spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at org.bukkit.craftbukkit.v1_13_R2.util.CraftMagicNumbers.processClass(CraftMagicNumbers.java:221) [spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:127) [spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at org.bukkit.plugin.java.PluginClassLoader.findClass(PluginClassLoader.java:100) [spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) [?:1.8.0_171]
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) [?:1.8.0_171]
    at java.lang.Class.forName0(Native Method) ~[?:1.8.0_171]
    at java.lang.Class.forName(Class.java:348) [?:1.8.0_171]
    at org.bukkit.plugin.java.PluginClassLoader.<init>(PluginClassLoader.java:78) [spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at org.bukkit.plugin.java.JavaPluginLoader.loadPlugin(JavaPluginLoader.java:131) [spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at org.bukkit.plugin.SimplePluginManager.loadPlugin(SimplePluginManager.java:327) [spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at org.bukkit.plugin.SimplePluginManager.loadPlugins(SimplePluginManager.java:248) [spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at org.bukkit.craftbukkit.v1_13_R2.CraftServer.loadPlugins(CraftServer.java:316) [spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at net.minecraft.server.v1_13_R2.DedicatedServer.init(DedicatedServer.java:213) [spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at net.minecraft.server.v1_13_R2.MinecraftServer.run(MinecraftServer.java:698) [spigot-1.13.1.jar:git-Spigot-0ede7d0-c88ae6b]
    at java.lang.Thread.run(Thread.java:748) [?:1.8.0_171]
[20:59:44] [Server thread/INFO]: [DeathMessagesPrime] Loading DeathMessagesPrime v1.13.3