Alllright so I tried doing exactly what this tutorial says:
https://github.com/supertuxkart/stk-cod ... WORKING.md and cmd.exe gives me this:
C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug>supertuxkart --server-config=your_config.xml --network-console
[verbose ] main: Error messages and other text output will be logged to C:\Users\muell\AppData\Roaming/supertuxkart/config-0.10/your_config.log.
[info ] [FileManager]: Data files will be fetched from: 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/'
[info ] [FileManager]: Data files will be fetched from: 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/../../stk-assets/'
[info ] [FileManager]: User directory is 'C:\Users\muell\AppData\Roaming/supertuxkart/config-0.10/'.
[info ] [FileManager]: Addons files will be stored in 'C:\Users\muell\AppData\Roaming/supertuxkart/config-0.10/../addons/'.
[info ] [FileManager]: Screenshots will be stored in 'C:\Users\muell\AppData\Roaming/supertuxkart/config-0.10/screenshots/'.
[info ] [FileManager]: User-defined grand prix will be stored in 'C:\Users\muell\AppData\Roaming/supertuxkart/config-0.10/grandprix/'.
[info ] [FileManager]: Asset 0 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/challenges/'.
[info ] [FileManager]: Asset 1 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/gfx/'.
[info ] [FileManager]: Asset 2 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/grandprix/'.
[info ] [FileManager]: Asset 3 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/gui/icons/'.
[info ] [FileManager]: Asset 4 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/gui/screens/'.
[info ] [FileManager]: Asset 5 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/gui/dialogs/'.
[info ] [FileManager]: Asset 6 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/replay/'.
[info ] [FileManager]: Asset 7 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/shaders/'.
[info ] [FileManager]: Asset 8 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/skins/'.
[info ] [FileManager]: Asset 9 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/ttf/'.
[info ] [FileManager]: Asset 10 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/po/'.
[info ] [FileManager]: Asset 11 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/../../stk-assets/library/'.
[info ] [FileManager]: Asset 12 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/../../stk-assets/models/'.
[info ] [FileManager]: Asset 13 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/../../stk-assets/music/'.
[info ] [FileManager]: Asset 14 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/../../stk-assets/sfx/'.
[info ] [FileManager]: Asset 15 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/../../stk-assets/textures/'.
[info ] [FileManager]: Asset 16 will be loaded from 'C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/../../stk-assets/tracks/'.
[verbose ] translation: Env var LANGUAGE = 'en'.
[verbose ] translation: Language 'English'.
..:: Antarctica Rendering Engine 2.0 ::..
Microsoft Windows 8 (Build 9200)
Could not change window style.
[warn ] irr_driver: Using the fixed pipeline (old GPU, or shaders disabled in options)
[info ] HTTPRequest: Sending userid=225133&token=************************ to
https://online.supertuxkart.net/api/v2/ ... d-session/[info ] GrandPrixManager: Loading Grand Prix files from C:\Users\muell\Documents\Supertuxkart Versuch 2\stk-code\build\bin\Debug/../../../data/grandprix/
[info ] GrandPrixManager: Loading Grand Prix files from C:\Users\muell\AppData\Roaming/supertuxkart/config-0.10/grandprix/
[info ] Achievements: Synching achievement 2,7 to server.
[info ] HTTPRequest: Sending userid=225133&token=************************&achievementid=2%2C7 to
https://online.supertuxkart.net/api/v2/user/achieving/[info ] HTTPRequest: Sending userid=225133&token=************************&visitingid=225133 to
https://online.supertuxkart.net/api/v2/ ... ends-list/[error ] NetworkConfig: Cannot detect network type using stun, using previously detected type: 1
Sat May 16 12:15:14 2020 [info ] STKHost: Host initialized.
Sat May 16 12:15:14 2020 [warn ] STKHost: Disable IPv6 socket due to missing IPv6.
Available command:
Sat May 16 12:15:14 2020 [warn ] Network: 2759 port is in used, use another port
help, Print this.
quit, Shut down the server.
kickall, Kick all players out of STKHost.
kick #, kick # peer of STKHost.
kickban #, kick and ban # peer of STKHost.
listpeers, List all peers with host ID and IP.
listban, List IP ban list of server.
speedstats, Show upload and download speed.
Sat May 16 12:15:14 2020 [info ] STKHost: Server port is 62002
Sat May 16 12:15:14 2020 [info ] ServerLobby: Resetting the server to its initial state.
Sat May 16 12:15:14 2020 [info ] ProtocolManager: A class ServerLobby protocol has been started.
Sat May 16 12:15:14 2020 [info ] main: Creating a WAN server 'karos testserver'.
Sat May 16 12:15:18 2020 [error ] STKHost: STUN response contains no data at all
Sat May 16 12:15:22 2020 [error ] STKHost: STUN response contains no data at all
Sat May 16 12:15:26 2020 [error ] STKHost: STUN response contains no data at all
Sat May 16 12:15:30 2020 [error ] STKHost: STUN response contains no data at all
Sat May 16 12:15:34 2020 [error ] STKHost: STUN response contains no data at all
Sat May 16 12:15:37 2020 [error ] STKHost: STUN response contains no data at all
Sat May 16 12:15:37 2020 [info ] ProtocolManager: A class ServerLobby protocol has been terminated.
Feel like this isn't quite right
thank you so much for your patience with me!