Com-warfare error3

[22:28:35] [Server thread/INFO]: [COM-Warfare] Enabling COM-Warfare v2.12.11
[22:28:35] [Server thread/INFO]: [Warfield] Checking dependencies...
[22:28:35] [Server thread/INFO]: [Warfield] All dependencies are installed!
[22:28:35] [Server thread/INFO]: [Warfield] Check for updates is enabled, checking for updates...
[22:28:35] [Server thread/INFO]: [Warfield] Could not start McTranslate++ API!
[22:28:35] [Server thread/INFO]: [Warfield] There was an error reading the perk data from the config. The file may be corrupted!
[22:28:35] [Server thread/INFO]: [Warfield] There was an error reading the perk data from the config. The file may be corrupted!
[22:28:35] [Server thread/INFO]: [Warfield] There was an error reading the perk data from the config. The file may be corrupted!
[22:28:35] [Server thread/INFO]: [Warfield] There was an error reading the perk data from the config. The file may be corrupted!
[22:28:35] [Server thread/ERROR]: Error occurred while enabling COM-Warfare v2.12.11 (Is it up to date?)
java.lang.IllegalArgumentException: No enum constant com.rhetorical.cod.perks.Perk.SLEIGHT_OF_HAND
        at java.lang.Enum.valueOf(Unknown Source) ~[?:1.8.0_221]
        at com.rhetorical.cod.perks.Perk.valueOf(Perk.java:3) ~[?:?]
        at com.rhetorical.cod.perks.PerkManager.getDefaultPerk(PerkManager.java:128) ~[?:?]
        at com.rhetorical.cod.perks.PerkManager.loadPerks(PerkManager.java:72) ~[?:?]
        at com.rhetorical.cod.perks.PerkManager.<init>(PerkManager.java:23) ~[?:?]
        at com.rhetorical.cod.perks.PerkManager.getInstance(PerkManager.java:27) ~[?:?]
        at com.rhetorical.cod.Main.onEnable(Main.java:200) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:352) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:417) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugin(CraftServer.java:461) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugins(CraftServer.java:375) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:449) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at net.minecraft.server.v1_14_R1.DedicatedServer.init(DedicatedServer.java:266) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:775) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]
[22:28:35] [Server thread/INFO]: [EssentialsChat] Enabling EssentialsChat v2.17.0.3
[22:28:35] [Server thread/INFO]: [SuperVanish] Enabling SuperVanish v6.1.3
[22:28:35] [Server thread/INFO]: [SuperVanish] Hooked into Essentials
[22:28:35] [Server thread/WARN]: Server permissions file permissions.yml is not valid YAML.
java.lang.ClassCastException: java.lang.String cannot be cast to java.util.Map
        at org.bukkit.craftbukkit.v1_14_R1.CraftServer.loadCustomPermissions(CraftServer.java:849) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugins(CraftServer.java:388) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:449) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at net.minecraft.server.v1_14_R1.DedicatedServer.init(DedicatedServer.java:266) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:775) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]
[22:28:36] [Server thread/INFO]: Done (24.006s)! For help, type "help"
[22:28:36] [Craft Scheduler Thread - 1/WARN]: [PlayerLabels] Plugin PlayerLabels v1.2.3 generated an exception while executing task 6
java.lang.NoSuchMethodError: org.bukkit.Server.getOnlinePlayers()[Lorg/bukkit/entity/Player;
        at org.mcstats.Metrics.postPlugin(Metrics.java:363) ~[?:?]
        at org.mcstats.Metrics.access$500(Metrics.java:68) ~[?:?]
        at org.mcstats.Metrics$1.run(Metrics.java:255) ~[?:?]
        at org.bukkit.craftbukkit.v1_14_R1.scheduler.CraftTask.run(CraftTask.java:81) ~[spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at org.bukkit.craftbukkit.v1_14_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:54) [spigot-1.14.4.jar:git-Spigot-94af569-a3fdef8]
        at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_221]
        at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_221]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]