[11:50:08] [User Authenticator #11/WARN]: Couldn't look up profile properties for com.mojang.authlib.GameProfile@2d1001e7[id=47eacdab-0c27-3769-809a-a1be42f8da80,name=Nigma_Miracle,properties={},legacy=false]
com.mojang.authlib.exceptions.AuthenticationUnavailableException: Cannot contact authentication server
	at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:85) ~[patched_1.15.2.jar:git-Paper-283]
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillGameProfile(YggdrasilMinecraftSessionService.java:180) ~[patched_1.15.2.jar:git-Paper-283]
	at com.destroystokyo.paper.profile.PaperMinecraftSessionService.fillGameProfile(PaperMinecraftSessionService.java:37) ~[patched_1.15.2.jar:git-Paper-283]
	at com.mojang.authlib.yggdrasil.YggdrasilMinecraftSessionService.fillProfileProperties(YggdrasilMinecraftSessionService.java:173) ~[patched_1.15.2.jar:git-Paper-283]
	at com.destroystokyo.paper.profile.PaperMinecraftSessionService.fillProfileProperties(PaperMinecraftSessionService.java:30) ~[patched_1.15.2.jar:git-Paper-283]
	at com.destroystokyo.paper.profile.CraftPlayerProfile.complete(CraftPlayerProfile.java:177) ~[patched_1.15.2.jar:git-Paper-283]
	at net.minecraft.server.v1_15_R1.LoginListener$LoginHandler.fireEvents(LoginListener.java:313) ~[patched_1.15.2.jar:git-Paper-283]
	at net.minecraft.server.v1_15_R1.LoginListener$1.run(LoginListener.java:212) ~[patched_1.15.2.jar:git-Paper-283]
	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149) [?:1.8.0_252]
	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624) [?:1.8.0_252]
	at java.lang.Thread.run(Thread.java:748) [?:1.8.0_252]
Caused by: java.net.UnknownHostException: sessionserver.mojang.com
	at java.net.AbstractPlainSocketImpl.connect(AbstractPlainSocketImpl.java:184) ~[?:1.8.0_252]
	at java.net.SocksSocketImpl.connect(SocksSocketImpl.java:392) ~[?:1.8.0_252]
	at java.net.Socket.connect(Socket.java:607) ~[?:1.8.0_252]
	at sun.security.ssl.SSLSocketImpl.connect(SSLSocketImpl.java:681) ~[?:1.8.0_252]
	at sun.net.NetworkClient.doConnect(NetworkClient.java:175) ~[?:1.8.0_252]
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:463) ~[?:1.8.0_252]
	at sun.net.www.http.HttpClient.openServer(HttpClient.java:558) ~[?:1.8.0_252]
	at sun.net.www.protocol.https.HttpsClient.<init>(HttpsClient.java:264) ~[?:1.8.0_252]
	at sun.net.www.protocol.https.HttpsClient.New(HttpsClient.java:367) ~[?:1.8.0_252]
	at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.getNewHttpClient(AbstractDelegateHttpsURLConnection.java:191) ~[?:1.8.0_252]
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect0(HttpURLConnection.java:1205) ~[?:1.8.0_252]
	at sun.net.www.protocol.http.HttpURLConnection.plainConnect(HttpURLConnection.java:1056) ~[?:1.8.0_252]
	at sun.net.www.protocol.https.AbstractDelegateHttpsURLConnection.connect(AbstractDelegateHttpsURLConnection.java:177) ~[?:1.8.0_252]
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream0(HttpURLConnection.java:1570) ~[?:1.8.0_252]
	at sun.net.www.protocol.http.HttpURLConnection.getInputStream(HttpURLConnection.java:1498) ~[?:1.8.0_252]
	at sun.net.www.protocol.https.HttpsURLConnectionImpl.getInputStream(HttpsURLConnectionImpl.java:268) ~[?:1.8.0_252]
	at com.mojang.authlib.HttpAuthenticationService.performGetRequest(HttpAuthenticationService.java:130) ~[patched_1.15.2.jar:git-Paper-283]
	at com.mojang.authlib.yggdrasil.YggdrasilAuthenticationService.makeRequest(YggdrasilAuthenticationService.java:66) ~[patched_1.15.2.jar:git-Paper-283]
	... 10 more