I made a server, but friend can't join it. I can join it fine. Error: Authentication Servers Are Down Please Try Again Later
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[02:32:09] [Server thread/INFO]: Starting minecraft server version 1.12
[02:32:09] [Server thread/INFO]: Loading properties
[02:32:09] [Server thread/INFO]: Default game type: CREATIVE
[02:32:09] [Server thread/INFO]: Generating keypair
[02:32:10] [Server thread/INFO]: Starting Minecraft server on *:47903
[02:32:10] [Server thread/INFO]: Using epoll channel type
[02:32:12] [Server thread/INFO]: Preparing level "world"
[02:32:15] [Server thread/INFO]: Loaded 488 advancements
[02:32:15] [Server thread/INFO]: Preparing start region for level 0
[02:32:19] [Server thread/INFO]: Preparing spawn area: 0%
[02:32:20] [Server thread/INFO]: Preparing spawn area: 3%
[02:32:21] [Server thread/INFO]: Preparing spawn area: 16%
[02:32:22] [Server thread/INFO]: Preparing spawn area: 41%
[02:32:23] [Server thread/INFO]: Preparing spawn area: 64%
[02:32:24] [Server thread/INFO]: Preparing spawn area: 88%
[02:32:25] [Server thread/INFO]: Done (13.703s)! For help, type "help" or "?"
[02:32:25] [Server thread/INFO]: Starting GS4 status listener
[02:32:25] [Query Listener #1/INFO]: Query running on 0.0.0.0:57903
[02:32:28] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 2095ms behind, skipping 41 tick(s)
[02:34:30] [User Authenticator #1/INFO]: UUID of player Shaloxus is 91e92266-d082-4947-bb97-fbfd101ff9b6
[02:34:30] [Server thread/INFO]: Shaloxus[/24.84.129.85:50235] logged in with entity id 285 at (-130.78291504316843, 75.03206831774425, 100.82405331487708)
[02:34:30] [Server thread/INFO]: Shaloxus joined the game
[02:34:34] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 2723ms behind, skipping 54 tick(s)
[02:36:29] [Server thread/INFO]: com.mojang.authlib.GameProfile@15adb0da[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61429) lost connection: Disconnected
[02:36:35] [Server thread/INFO]: com.mojang.authlib.GameProfile@8a126c0[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61434) lost connection: Disconnected
[02:36:37] [Server thread/INFO]: com.mojang.authlib.GameProfile@73bab958[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61437) lost connection: Disconnected
[02:36:39] [Server thread/INFO]: com.mojang.authlib.GameProfile@61f49726[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61440) lost connection: Disconnected
[02:36:45] [Server thread/INFO]: com.mojang.authlib.GameProfile@5e9e806e[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61446) lost connection: Disconnected
[02:36:48] [Server thread/INFO]: com.mojang.authlib.GameProfile@46428f4[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61449) lost connection: Disconnected
[02:36:51] [Server thread/INFO]: com.mojang.authlib.GameProfile@447bd468[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61453) lost connection: Disconnected
[02:36:53] [Server thread/INFO]: com.mojang.authlib.GameProfile@f2a4b15[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61456) lost connection: Disconnected
[02:36:56] [Server thread/INFO]: com.mojang.authlib.GameProfile@2f2e9d06[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61459) lost connection: Disconnected
[02:36:57] [Server thread/INFO]: com.mojang.authlib.GameProfile@2cbde308[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61462) lost connection: Disconnected
[02:37:00] [Server thread/INFO]: com.mojang.authlib.GameProfile@683d9042[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61465) lost connection: Disconnected
[02:37:05] [Server thread/INFO]: com.mojang.authlib.GameProfile@5c3f3400[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61470) lost connection: Disconnected
[02:37:08] [Server thread/INFO]: com.mojang.authlib.GameProfile@6a66a966[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61473) lost connection: Disconnected
[02:37:26] [Server thread/INFO]: Saving...
[02:37:26] [Server thread/INFO]: Saved the world
[02:37:26] [Server thread/INFO]: com.mojang.authlib.GameProfile@35ad6a8e[id=<null>,name=QueenPaya,properties={},legacy=false] (/173.35.32.83:61487) lost connection: Disconnected