Problem/Bug Players Keep getting randomly disconnected from my server.

so it only takes about a min for him to get disconnected & this also happens to me.

[09:31:59] [Server thread/INFO]: Darksitecom[/31.21.94.119:59397] logged in with entity id 1005245 at ([world] -163.5, 64.0, 251.5)
[09:32:00] [Server thread/INFO]: Sending server configs to client for com.enderio.core.common.config.ConfigHandler
[09:32:00] [Server thread/INFO]: Sent EMC data packets to: Darksitecom
[09:32:00] [Server thread/INFO]: Sending server configs to client for tterrag.wailaplugins.config.WPConfigHandler
[09:32:00] [Server thread/INFO]: Sending mutations to player: Darksitecom
[09:32:00] [Server thread/INFO]: Player GCEntityPlayerMP['Darksitecom'/1005245, l='world', x=-163.50, y=64.00, z=251.50](Darksitecom at -163.5,64.0,251.5) connected. Sending ping
[09:32:00] [Server thread/INFO]: Sent config to 'Darksitecom.'
[09:32:00] [Server thread/INFO]: RW
[09:32:00] [Server thread/INFO]: Darksitecom has just earned the achievement [You've been installed!]
[09:32:00] [Server thread/INFO]: SMP: Player logged in: Sync diminfo to clients
[09:32:00] [Server thread/INFO]: Sync dimension info to clients!
[09:32:00] [Server thread/INFO]: Send validation data to the client
[09:32:03] [pool-74-thread-1/INFO]: Creating empty config: C:\Users\Administrator\Desktop\omega server\plugins\Essentials\userdata\5c7387b4-b3a4-448e-a93f-4f710cd97065.yml
[09:32:13] [Thermos version retriever/WARN]: Error occured during retriving version
java.lang.Throwable
at thermos.TLog.log(TLog.java:30) [TLog.class:1.7.10-1614.57]
at thermos.TLog.warning(TLog.java:41) [TLog.class:1.7.10-1614.57]
at thermos.updater.TVersionRetriever.uncaughtException(TVersionRetriever.java:111) [TVersionRetriever.class:1.7.10-1614.57]
at thermos.updater.TVersionRetriever.check(TVersionRetriever.java:105) [TVersionRetriever.class:1.7.10-1614.57]
at thermos.updater.TVersionRetriever.run(TVersionRetriever.java:69) [TVersionRetriever.class:1.7.10-1614.57]
at java.lang.Thread.run(Unknown Source) [?:1.8.0_241]
Caused by: org.json.simple.parser.ParseException
at org.json.simple.parser.Yylex.yylex(Unknown Source) ~[Yylex.class:?]
at org.json.simple.parser.JSONParser.nextToken(Unknown Source) ~[JSONParser.class:?]
at org.json.simple.parser.JSONParser.parse(Unknown Source) ~[JSONParser.class:?]
at org.json.simple.parser.JSONParser.parse(Unknown Source) ~[JSONParser.class:?]
at thermos.updater.TVersionRetriever.check(TVersionRetriever.java:95) ~[TVersionRetriever.class:1.7.10-1614.57]
... 2 more
[09:32:22] [Server thread/INFO]: Galaxy saved to '.\world\galaxy.dat'. Took 208 milliseconds
[09:32:55] [Server thread/INFO]: Darksitecom lost connection: Disconnected
[09:32:55] [Server thread/INFO]: Removing Darksitecom from scheduled timers: Player disconnected.
[09:32:56] [Server thread/INFO]: Darksitecom left the game.
[09:33:14] [VoiceServer Listen Thread/INFO]: VoiceServer: Accepted new connection.
[09:33:19] [Thread-435/ERROR]: VoiceServer: Unable to trace connection's IP address.
[09:34:39] [User Authenticator #23/INFO]: UUID of player Darksitecom is 5c7387b4-b3a4-448e-a93f-4f710cd97065


any help is apreshiated