I just made a server, but I keep getting kicked from it.
[01:08:57] [Server thread/INFO]: Starting minecraft server version 1.12.2
[01:08:57] [Server thread/INFO]: Loading properties
[01:08:57] [Server thread/INFO]: Default game type: SURVIVAL
[01:08:57] [Server thread/INFO]: Generating keypair
[01:08:57] [Server thread/INFO]: Starting Minecraft server on *:40970
[01:08:57] [Server thread/INFO]: Using epoll channel type
[01:08:58] [Server thread/INFO]: Preparing level "world"
[01:08:59] [Server thread/INFO]: Loaded 488 advancements
[01:08:59] [Server thread/INFO]: Preparing start region for level 0
[01:09:00] [Server thread/INFO]: Preparing spawn area: 0%
[01:09:01] [Server thread/INFO]: Preparing spawn area: 18%
[01:09:02] [Server thread/INFO]: Preparing spawn area: 50%
[01:09:03] [Server thread/INFO]: Preparing spawn area: 87%
[01:09:04] [Server thread/INFO]: Done (5.722s)! For help, type "help" or "?"
[01:09:04] [Server thread/INFO]: Starting GS4 status listener
[01:09:04] [Query Listener #1/INFO]: Query running on 0.0.0.0:40970
[01:09:31] [User Authenticator #1/INFO]: UUID of player DaWitherKing224 is 254eb985-8ed2-46b8-95d5-e02c5721cbee
[01:09:31] [Server thread/INFO]: DaWitherKing224[/202.179.131.218:63078] logged in with entity id 289 at (-62.603528539302474, 69.0, 202.2192632485593)
[01:09:31] [Server thread/INFO]: DaWitherKing224 joined the game
[01:09:34] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 3226ms behind, skipping 64 tick(s)
[01:09:50] [Server thread/INFO]: DaWitherKing224 lost connection: Internal Exception: io.netty.channel.unix.Errors$NativeIoException: syscall:read(..) failed: Connection reset by peer
[01:09:50] [Server thread/INFO]: DaWitherKing224 left the game
[01:11:02] [User Authenticator #2/INFO]: UUID of player DaWitherKing224 is 254eb985-8ed2-46b8-95d5-e02c5721cbee
[01:11:02] [Server thread/INFO]: DaWitherKing224[/202.179.131.218:63261] logged in with entity id 362 at (-61.64616818280067, 67.0, 196.61944241403228)
[01:11:02] [Server thread/INFO]: DaWitherKing224 joined the game
[01:12:50] [Server thread/INFO]: DaWitherKing224 lost connection: Internal Exception: io.netty.channel.unix.Errors$NativeIoException: syscall:read(..) failed: Connection reset by peer
[01:12:50] [Server thread/INFO]: DaWitherKing224 left the game
[01:14:08] [Server thread/INFO]: Saving...
[01:14:08] [Server thread/INFO]: Saved the world
[01:15:28] [User Authenticator #3/INFO]: UUID of player DaWitherKing224 is 254eb985-8ed2-46b8-95d5-e02c5721cbee
[01:15:28] [Server thread/INFO]: DaWitherKing224[/202.179.131.218:64084] logged in with entity id 1395 at (-71.67693672038097, 64.0, 181.90979623024026)
[01:15:28] [Server thread/INFO]: DaWitherKing224 joined the game
[01:15:54] [Server thread/WARN]: Can't keep up! Did the system time change, or is the server overloaded? Running 3166ms behind, skipping 63 tick(s)
[01:16:14] [Server thread/INFO]: DaWitherKing224 has made the advancement [Monster Hunter]
[01:17:51] [Server thread/INFO]: DaWitherKing224 has made the advancement [Stone Age]
[01:18:43] [Server thread/INFO]: DaWitherKing224 has made the advancement [Getting an Upgrade]
[01:19:08] [Server thread/INFO]: Successfully set the idle timeout to 10 minutes.
[01:19:08] [Server thread/INFO]: Saving...
[01:19:08] [Server thread/INFO]: Saved the world
[01:20:11] [Server thread/INFO]: DaWitherKing224 lost connection: Internal Exception: io.netty.channel.unix.Errors$NativeIoException: syscall:read(..) failed: Connection reset by peer
[01:20:11] [Server thread/INFO]: DaWitherKing224 left the game