error in log (2)

[22:09:19] [Server thread/INFO]: [CraftEnhance] Disabling CraftEnhance v2.3.4
[22:09:19] [Server thread/ERROR]: Error occurred while disabling CraftEnhance v2.3.4 (Is it up to date?)
java.lang.NullPointerException: null
at com.dutchjelly.craftenhance.CraftEnhance.onDisable(CraftEnhance.java:77) ~[?:?]
at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:265) ~[minecraft_server.jar:git-Spigot-a99063f-c9d7c16]
at org.bukkit.plugin.java.JavaPluginLoader.disablePlugin(JavaPluginLoader.java:376) [minecraft_server.jar:git-Spigot-a99063f-c9d7c16]
at org.bukkit.plugin.SimplePluginManager.disablePlugin(SimplePluginManager.java:501) [minecraft_server.jar:git-Spigot-a99063f-c9d7c16]
at org.bukkit.plugin.SimplePluginManager.disablePlugins(SimplePluginManager.java:493) [minecraft_server.jar:git-Spigot-a99063f-c9d7c16]
at org.bukkit.craftbukkit.v1_15_R1.CraftServer.disablePlugins(CraftServer.java:398) [minecraft_server.jar:git-Spigot-a99063f-c9d7c16]
at net.minecraft.server.v1_15_R1.MinecraftServer.stop(MinecraftServer.java:699) [minecraft_server.jar:git-Spigot-a99063f-c9d7c16]
at net.minecraft.server.v1_15_R1.DedicatedServer.stop(DedicatedServer.java:696) [minecraft_server.jar:git-Spigot-a99063f-c9d7c16]
at net.minecraft.server.v1_15_R1.MinecraftServer.run(MinecraftServer.java:864) [minecraft_server.jar:git-Spigot-a99063f-c9d7c16]
at java.lang.Thread.run(Thread.java:748) [?:1.8.0_252]