sscanf warning: Format specifier does not match parameter count.

CMD:destroyveh(playerid, params[]) //SSCANFBUG
{
    if(PlayerInfo[playerid][pAdmin] < 2) return SendClientMessage(playerid,COLOR_RED,".:: You are not authorized to use this command ::.");
    if(!IsPlayerInAnyVehicle(playerid)) return SendClientMessage(playerid, 0xA40000C8, "You must be in vehicle!");
    new currentveh = GetPlayerVehicleID(playerid);
    DestroyVehicle(currentveh);
    return 1;
}

CMD:explode(playerid, params[]) //SSCANFBUG
{
    if(PlayerInfo[playerid][pAdmin] < 1) return SendClientMessage(playerid,COLOR_RED,".:: You are not authorized to use this command ::.");
    new targetid;
    if(sscanf(params, "uz", targetid)) return SendClientMessage(playerid, COLOR_WHITE, ""#COL_DGREY"[CMD] / "#COL_SGREY"[PlayerID/PartOfName]");
    if(!IsPlayerConnected(targetid)) return SendClientMessage(playerid, COLOR_WHITE, ""#COL_ORANGE"[ERROR]"#COL_LRED" Player not connected!");
    else
    {
    new Float:SLX, Float:SLY, Float:SLZ;
    GetPlayerPos(targetid, SLX, SLY,SLZ);
    CreateExplosion(SLX, SLY, SLZ, 11, 0.25);
    new string[128];
    new pName[24], pTame[24];
    GetPlayerName(playerid,pName,24);
    GetPlayerName(targetid,pTame,24);
    format(string,sizeof string,""#COL_ORANGE"[SERVER]"#COL_LRED" %s has been exploded by Administrator %s.",pTame,pName);
    SendClientMessageToAll(COLOR_RED, string);
    }
    return 1;
}

if(sscanf(params, "u", targetid)) return Send

Specifier(s)            Name                Example values
    i, d            Integer             1, 42, -10
    c           Character           a, o, *
    l           Logical             true, false
    b           Binary              01001, 0b1100
    h, x            Hex             1A, 0x23
    o           Octal               045 12
    n           Number              42, 0b010, 0xAC, 045
    f           Float               0.7, -99.5
    g           IEEE Float          0.7, -99.5, INFINITY, -INFINITY, NAN, NAN_E
    u           User name/id (bots and players) ******, 0
    q           Bot name/id         ShopBot, 27
    r           Player name/id          ******, 42