[12:36:47 WARN]: java.io.IOException: Server returned HTTP response code: 423 for URL: https://zockerlp.000webhostapp.com/bin/projects/plugins/luckyblock/version/black_index.txt
[12:36:47 WARN]:        at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source)
[12:36:47 WARN]:        at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source)
[12:36:47 WARN]:        at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source)
[12:36:47 WARN]:        at java.net.URL.openStream(Unknown Source)
[12:36:47 WARN]:        at me.xXZockerLPXx.API.Black_Index.isIndex(Black_Index.java:16)
[12:36:47 WARN]:        at me.xXZockerLPXx.LuckyBlock.LuckyBlock.onEnable(LuckyBlock.java:67)
[12:36:47 WARN]:        at org.bukkit.plugin.java.JavaPlugin.setEnabled(JavaPlugin.java:271)
[12:36:47 WARN]:        at org.bukkit.plugin.java.JavaPluginLoader.enablePlugin(JavaPluginLoader.java:337)
[12:36:47 WARN]:        at org.bukkit.plugin.SimplePluginManager.enablePlugin(SimplePluginManager.java:405)
[12:36:47 WARN]:        at org.bukkit.craftbukkit.v1_11_R1.CraftServer.enablePlugin(CraftServer.java:376)
[12:36:47 WARN]:        at org.bukkit.craftbukkit.v1_11_R1.CraftServer.enablePlugins(CraftServer.java:326)
[12:36:47 WARN]:        at net.minecraft.server.v1_11_R1.MinecraftServer.t(MinecraftServer.java:421)
[12:36:47 WARN]:        at net.minecraft.server.v1_11_R1.MinecraftServer.l(MinecraftServer.java:382)
[12:36:47 WARN]:        at net.minecraft.server.v1_11_R1.MinecraftServer.a(MinecraftServer.java:337)
[12:36:47 WARN]:        at net.minecraft.server.v1_11_R1.DedicatedServer.init(DedicatedServer.java:272)
[12:36:47 WARN]:        at net.minecraft.server.v1_11_R1.MinecraftServer.run(MinecraftServer.java:544)
[12:36:47 WARN]:        at java.lang.Thread.run(Unknown Source)