Ошибка 017

[Dooom]

D:\Íîâàÿ ïàïêà (8)\gamemodes\new.pwn(2640) : error 017: undefined symbol "string"
D:\Íîâàÿ ïàïêà (8)\gamemodes\new.pwn(2640) : error 017: undefined symbol "string"
D:\Íîâàÿ ïàïêà (8)\gamemodes\new.pwn(2640) : error 029: invalid expression, assumed zero
D:\Íîâàÿ ïàïêà (8)\gamemodes\new.pwn(2640) : fatal error 107: too many error messages on one line

cтрока:

format(string, sizeof(string),"/mute %d %d %s",mute[playerid],timemute[playerid],(inputtext));