[06:34:01] [Craft Scheduler Thread - 176/ERROR]: [ChangeSkin] Tried downloading skin data from Mojang
java.io.IOException: Server returned HTTP response code: 429 for URL: https://sessionserver.mojang.com/session/minecraft/profile/29f5131e889f462a99725ce0d89b4574?unsigned=false
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(Unknown Source) ~[?:1.8.0_91]
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(Unknown Source) ~[?:1.8.0_91]
	at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(Unknown Source) ~[?:1.8.0_91]
	at com.github.games647.changeskin.core.ChangeSkinCore.downloadSkin(ChangeSkinCore.java:169) [ChangeSkin.jar:?]
	at com.github.games647.changeskin.bukkit.tasks.SkinDownloader.run(SkinDownloader.java:29) [ChangeSkin.jar:?]
	at com.github.games647.changeskin.bukkit.tasks.NameResolver.onNameResolve(NameResolver.java:103) [ChangeSkin.jar:?]
	at com.github.games647.changeskin.bukkit.tasks.NameResolver.run(NameResolver.java:56) [ChangeSkin.jar:?]
	at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftTask.run(CraftTask.java:58) [patched_1.10.jar:git-Paper-782]
	at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53) [patched_1.10.jar:git-Paper-782]
	at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22) [patched_1.10.jar:git-Paper-782]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_91]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_91]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_91]
[06:34:01] [Craft Scheduler Thread - 176/WARN]: Exception in thread "Craft Scheduler Thread - 176"
[06:34:01] [Craft Scheduler Thread - 176/WARN]: org.apache.commons.lang.UnhandledException: Plugin ChangeSkin v1.6 generated an exception while executing task 6530
	at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:57)
	at com.destroystokyo.paper.ServerSchedulerReportingWrapper.run(ServerSchedulerReportingWrapper.java:22)
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source)
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
	at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.NullPointerException
	at com.github.games647.changeskin.bukkit.tasks.SkinDownloader.run(SkinDownloader.java:30)
	at com.github.games647.changeskin.bukkit.tasks.NameResolver.onNameResolve(NameResolver.java:103)
	at com.github.games647.changeskin.bukkit.tasks.NameResolver.run(NameResolver.java:56)
	at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftTask.run(CraftTask.java:58)
	at org.bukkit.craftbukkit.v1_10_R1.scheduler.CraftAsyncTask.run(CraftAsyncTask.java:53)
	... 4 more