CollectItem TabComplete NPE

[14:25:19 ERROR]: Error occurred while enabling CollectItem v1.1 (Is it up to date?)
java.lang.NullPointerException: null
        at ayocraft.collection.Main.onEnable(Main.java:88) ~[?:?]
        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:263) ~[patched_1.14.4.jar:git-Paper-226]
        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:338) ~[patched_1.14.4.jar:git-Paper-226]
        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:420) ~[patched_1.14.4.jar:git-Paper-226]
        at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugin(CraftServer.java:467) ~[patched_1.14.4.jar:git-Paper-226]
        at org.bukkit.craftbukkit.v1_14_R1.CraftServer.enablePlugins(CraftServer.java:381) ~[patched_1.14.4.jar:git-Paper-226]
        at org.bukkit.craftbukkit.v1_14_R1.CraftServer.reload(CraftServer.java:859) ~[patched_1.14.4.jar:git-Paper-226]
        at org.bukkit.Bukkit.reload(Bukkit.java:610) ~[patched_1.14.4.jar:git-Paper-226]
        at org.bukkit.command.defaults.ReloadCommand.execute(ReloadCommand.java:54) ~[patched_1.14.4.jar:git-Paper-226]
        at org.bukkit.command.SimpleCommandMap.dispatch(SimpleCommandMap.java:159) ~[patched_1.14.4.jar:git-Paper-226]
        at org.bukkit.craftbukkit.v1_14_R1.CraftServer.dispatchCommand(CraftServer.java:739) ~[patched_1.14.4.jar:git-Paper-226]
        at org.bukkit.craftbukkit.v1_14_R1.CraftServer.dispatchServerCommand(CraftServer.java:701) ~[patched_1.14.4.jar:git-Paper-226]
        at net.minecraft.server.v1_14_R1.DedicatedServer.handleCommandQueue(DedicatedServer.java:456) ~[patched_1.14.4.jar:git-Paper-226]
        at net.minecraft.server.v1_14_R1.DedicatedServer.b(DedicatedServer.java:418) ~[patched_1.14.4.jar:git-Paper-226]
        at net.minecraft.server.v1_14_R1.MinecraftServer.a(MinecraftServer.java:1098) ~[patched_1.14.4.jar:git-Paper-226]
        at net.minecraft.server.v1_14_R1.MinecraftServer.run(MinecraftServer.java:925) ~[patched_1.14.4.jar:git-Paper-226]
        at java.lang.Thread.run(Unknown Source) [?:1.8.0_231]