Bukkit

What is the issue?
Your Plugin AWESOME!!! I LOVE CHECKPOINT SYSTEM :)
Please provide any additional information below.
This plugin working good, in 1.8.8, but need a good update, (console fix)

[Lifestones] Loading Lifestones v1.0.0
[04:06:17] [Server thread/WARN]: /tmp/sqlite-3.7.2-libsqlitejdbc.so (Permission denied)
[04:06:17] [Server thread/ERROR]: Plugin attempted to register task while disabled initializing Lifestones v1.0.0 (Is it up to date?)
org.bukkit.plugin.IllegalPluginAccessException: Plugin attempted to register task while disabled
    at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.validate(CraftScheduler.java:400) ~[spigot45.jar:git-Spigot-5f38d38-12698ea]
    at org.bukkit.craftbukkit.v1_8_R3.scheduler.CraftScheduler.runTaskTimerAsynchronously(CraftScheduler.java:141) ~[spigot45.jar:git-Spigot-5f38d38-12698ea]
    at org.mcstats.Metrics.start(Metrics.java:201) ~[?:?]
    at com.cyprias.Lifestones.Lifestones.onLoad(Lifestones.java:45) ~[?:?]
    at org.bukkit.craftbukkit.v1_8_R3.CraftServer.loadPlugins(CraftServer.java:297) [spigot45.jar:git-Spigot-5f38d38-12698ea]
    at net.minecraft.server.v1_8_R3.DedicatedServer.init(DedicatedServer.java:198) [spigot45.jar:git-Spigot-5f38d38-12698ea]
    at net.minecraft.server.v1_8_R3.MinecraftServer.run(MinecraftServer.java:525) [spigot45.jar:git-Spigot-5f38d38-12698ea]
    at java.lang.Thread.run(Thread.java:745) [?:1.7.0_80]