LoginnotCompleating

[19:25:24 INFO]: Minecraft Launcher 1.6.91 (through bootstrap 100) started on windows...
[19:25:24 INFO]: Current time is Sep 17, 2019 7:25:24 PM
[19:25:24 INFO]: System.getProperty('os.name') == 'Windows 10'
[19:25:24 INFO]: System.getProperty('os.version') == '10.0'
[19:25:24 INFO]: System.getProperty('os.arch') == 'amd64'
[19:25:24 INFO]: System.getProperty('java.version') == '1.8.0_221'
[19:25:24 INFO]: System.getProperty('java.vendor') == 'Oracle Corporation'
[19:25:24 INFO]: System.getProperty('sun.arch.data.model') == '64'
[19:25:24 INFO]: proxy == DIRECT
[19:25:24 INFO]: JFX is already initialized
[19:25:24 INFO]: Refreshing local version list...
[19:25:24 INFO]: Refreshing remote version list...
[19:25:25 INFO]: Refresh complete.
[19:25:25 ERROR]: Unexpected exception refreshing profile list
com.google.gson.JsonSyntaxException: duplicate key: null
	at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:190) ~[launcher.jar:1.6.91]
	at com.google.gson.internal.bind.MapTypeAdapterFactory$Adapter.read(MapTypeAdapterFactory.java:145) ~[launcher.jar:1.6.91]
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$1.read(ReflectiveTypeAdapterFactory.java:93) ~[launcher.jar:1.6.91]
	at com.google.gson.internal.bind.ReflectiveTypeAdapterFactory$Adapter.read(ReflectiveTypeAdapterFactory.java:172) ~[launcher.jar:1.6.91]
	at com.google.gson.Gson.fromJson(Gson.java:803) ~[launcher.jar:1.6.91]
	at com.google.gson.Gson.fromJson(Gson.java:768) ~[launcher.jar:1.6.91]
	at com.google.gson.Gson.fromJson(Gson.java:717) ~[launcher.jar:1.6.91]
	at com.google.gson.Gson.fromJson(Gson.java:689) ~[launcher.jar:1.6.91]
	at net.minecraft.launcher.updater.RemoteVersionList.getCompleteVersion(RemoteVersionList.java:32) ~[launcher.jar:1.6.91]
	at net.minecraft.launcher.updater.MinecraftVersionManager.getLatestCompleteVersion(MinecraftVersionManager.java:213) ~[launcher.jar:1.6.91]
	at net.minecraft.launcher.updater.CompleteMinecraftVersion.resolve(CompleteMinecraftVersion.java:268) ~[launcher.jar:1.6.91]
	at net.minecraft.launcher.updater.CompleteMinecraftVersion.resolve(CompleteMinecraftVersion.java:255) ~[launcher.jar:1.6.91]
	at net.minecraft.launcher.updater.MinecraftVersionManager.getVersionSyncInfo(MinecraftVersionManager.java:171) ~[launcher.jar:1.6.91]
	at net.minecraft.launcher.updater.MinecraftVersionManager.getVersions(MinecraftVersionManager.java:105) ~[launcher.jar:1.6.91]
	at net.minecraft.launcher.game.GameLaunchDispatcher.getStatus(GameLaunchDispatcher.java:35) ~[launcher.jar:1.6.91]
	at net.minecraft.launcher.ui.bottombar.PlayButtonPanel.checkState(PlayButtonPanel.java:94) ~[launcher.jar:1.6.91]
	at net.minecraft.launcher.ui.bottombar.PlayButtonPanel.onProfilesRefreshed(PlayButtonPanel.java:90) ~[launcher.jar:1.6.91]
	at net.minecraft.launcher.profile.ProfileManager.fireRefreshEvent(ProfileManager.java:100) ~[launcher.jar:1.6.91]
	at net.minecraft.launcher.profile.ProfileManager.loadProfiles(ProfileManager.java:88) ~[launcher.jar:1.6.91]
	at net.minecraft.launcher.Launcher$2.run(Launcher.java:183) [launcher.jar:1.6.91]
	at java.util.concurrent.Executors$RunnableAdapter.call(Unknown Source) [?:1.8.0_221]
	at java.util.concurrent.FutureTask.run(Unknown Source) [?:1.8.0_221]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(Unknown Source) [?:1.8.0_221]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source) [?:1.8.0_221]
	at java.lang.Thread.run(Unknown Source) [?:1.8.0_221]
[19:25:25 INFO]: Refreshing auth...
[19:25:25 INFO]: Logging in with access token