서버버킷 여는중에 자꾸 크러쉬가 납니다\

에러뜨는 시점부터 복붙합니다

Encountered an unexpected exception

java.net.UnknownHostException: 아이피 invalid IPv6 address(이거는 아이피 잘못입력한거)

        at java.net.InetAddress.getAllByName(Unknown Source) ~[?:1.8.0_261]

        at java.net.InetAddress.getAllByName(Unknown Source) ~[?:1.8.0_261]

        at java.net.InetAddress.getByName(Unknown Source) ~[?:1.8.0_261]

        at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:217) ~[nz.class:?]

        at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:595) [MinecraftServer.class:?]

        at java.lang.Thread.run(Unknown Source) [?:1.8.0_261]

[03:37:14] [Server thread/ERROR]: This crash report has been saved to: C:\Users\Administrator\Desktop\New Folder (2)\.\crash-reports\crash-2020-08-03_03.37.14-server.txt

[03:37:14] [Server thread/INFO]: Stopping server

[03:37:14] [Server thread/INFO]: Saving worlds

[03:37:14] [Server thread/INFO]: The state engine was in incorrect state POSTINITIALIZATION and forced into state SERVER_STOPPED. Errors may have been discarded.

>

C:\Users\Administrator\Desktop\New Folder (2)>pause

Press any key to continue . . .

어디서부터 손을 대야하는지 감이 안잡히네요..ㅠㅠㅠㅠ