[12:56:49 INFO]: [UltraCosmetics] Disabling UltraCosmetics v2.5.7
[12:56:49 ERROR]: Error occurred while disabling UltraCosmetics v2.5.7 (Is it up to date?)
java.lang.NullPointerException: null
        at be.isach.ultracosmetics.UltraCosmetics.onDisable(UltraCosmetics.java:238) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:266) ~[spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:361) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:422) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:415) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at org.bukkit.craftbukkit.v1_12_R1.CraftServer.disablePlugins(CraftServer.java:349) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.MinecraftServer.stop(MinecraftServer.java:465) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at net.minecraft.server.v1_12_R1.MinecraftServer.run(MinecraftServer.java:613) [spigot-1.12.2.jar:git-Spigot-dcd1643-e60fc34]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_241]