13:04:36 [GRAVE] [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/1350d9cc53ef42d5a8a72383a9c4ecdc?unsigned=false
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
    at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
    at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1944)
    at sun.net.www.protocol.http.HttpURLConnection$10.run(HttpURLConnection.java:1939)
    at java.security.AccessController.doPrivileged(Native Method)
    at sun.net.www.protocol.http.HttpURLConnection.getChainedException(HttpURLConnection.java:1938)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1508)
    at sun.net.www.protocol.http.HttpURLConnection.access$200(HttpURLConnection.java:91)
    at sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1484)
    at sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1482)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.AccessController.doPrivilegedWithCombiner(AccessController.java:782)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1481)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:263)
    at com.github.games647.changeskin.core.MojangSkinApi.downloadSkin(MojangSkinApi.java:133)
    at com.github.games647.changeskin.core.shared.SharedDownloader.run(SharedDownloader.java:27)
    at com.github.games647.changeskin.bungee.tasks.NameResolver.scheduleDownloader(NameResolver.java:49)
    at com.github.games647.changeskin.core.shared.SharedNameResolver.run(SharedNameResolver.java:58)
    at net.md_5.bungee.scheduler.BungeeTask.run(BungeeTask.java:63)
    at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
    at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
    at java.lang.Thread.run(Thread.java:748)
Caused by: java.io.IOException: Server returned HTTP response code: 429 for URL: https://sessionserver.mojang.com/session/minecraft/profile/1350d9cc53ef42d5a8a72383a9c4ecdc?unsigned=false
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1894)
    at sun.net.www.protocol.http.HttpURLConnection.access$200(HttpURLConnection.java:91)
    at sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1484)
    at sun.net.www.protocol.http.HttpURLConnection$9.run(HttpURLConnection.java:1482)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.security.AccessController.doPrivilegedWithCombiner(AccessController.java:782)
    at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1481)
    at java.net.HttpURLConnection.getResponseCode(HttpURLConnection.java:480)
    at sun.net.www.protocol.https.HttpsURLConnectionImpl.getResponseCode(HttpsURLConnectionImpl.java:347)
    at com.github.games647.changeskin.core.MojangSkinApi.downloadSkin(MojangSkinApi.java:127)
    ... 7 more