[MP2]

pawn Код:

YCMD:testa(playerid, params[], help)
{
    new number;
    if(sscanf(params, "i", number)) return 1;

    new string[64];
    format(string, sizeof(string), "%d", number);
    switch(number)
    {
        case 0:
        {
            SetPlayerColor(playerid, 0xFFFFFFAA); 
            SendClientMessage(playerid, 0xFFFFFFAA, string); //None
        }
        case 1:
        {
            SetPlayerColor(playerid, COLOR_DBLUE);
            SendClientMessage(playerid, COLOR_DBLUE, string); //PD
        }
        case 2:
        {
            SetPlayerColor(playerid, COLOR_DBLUE);
            SendClientMessage(playerid, COLOR_DBLUE, string); //FBI
        }
    }

    return 1;
}

Your if(sscanf()) statement was messed up.

Tips:
- Don't put a compound statement/block on a single line, it's very messy..
- Put spaces after commas.