[Dan.]

Seems like you are missing the IsNumeric stock in your gamemode:

pawn Код:

IsNumeric(const string[])
{
    for (new i = 0, j = strlen(string); i < j; i++)
    {
        if (string[i] > '9' || string[i] < '0') return 0;
    }
    return 1;
}

And also seems you didn't make a new string, give us some code around the error lines.

E:// The previous poster was right, IsNumeric starts with a capital I.