[God'Z War]

How i can solve this error
Script

Код:

public ChangeHostName()
{
new var=random(7);
switch(var)
{
case 0: SendRconCommand("hostname ________________________");
case 1: SendRconCommand("hostname _______________________");
	 }
	}

public GameModeChanger()
{
new var=random(9);
switch (var)
{
case 0: SendRconCommand("gamemodetext _______________________________");
case 1: SendRconCommand("gamemodetext ______________________________");
}
}

public MapNameChanger()
{
new var=random(4);
switch (var)
{
case 0: SendRconCommand("mapname ___________________");
case 1: SendRconCommand("mapname____________________");

}
}

Error is

Код:

C:\Users\hp\Desktop\3e server\gamemodes\GM.pwn(3066) : warning 217: loose indentation
C:\Users\hp\Desktop\3e server\gamemodes\GM.pwn(3066) : error 029: invalid expression, assumed zero
C:\Users\hp\Desktop\3e server\gamemodes\GM.pwn(3066) : error 004: function "ChangeHostName" is not implemented
C:\Users\hp\Desktop\3e server\gamemodes\GM.pwn(3081) : error 029: invalid expression, assumed zero
C:\Users\hp\Desktop\3e server\gamemodes\GM.pwn(3081) : error 004: function "GameModeChanger" is not implemented
C:\Users\hp\Desktop\3e server\gamemodes\GM.pwn(3098) : error 029: invalid expression, assumed zero
C:\Users\hp\Desktop\3e server\gamemodes\GM.pwn(3098) : error 004: function "MapNameChanger" is not implemented
C:\Users\hp\Desktop\3e server\gamemodes\GM.pwn(3115) : warning 217: loose indentation
Pawn compiler 3.2.3664	 	 	Copyright © 1997-2006, ITB CompuPhase


6 Errors.