At server startup
ERROR: The playlist file does not exist.
The matchsettings (also called gamesettings or playlist file) file you specified in the command line is wrong.
If you save your game settings in
UserData/Maps/MatchSettings/royal.txt, your command line should contain
You can also check for the file permission if you are using Linux.
ERROR: New mode unknown.
Your MatchSettings file is specifying an unknown mode, change it to the value
<playlist> <gameinfos> <game_mode>0</game_mode> ...
When players join your server
ERROR: Corrupted Login.
Happens on servers which are online for more then 30 days. Restart your server to remove this message for players.