[AmsterdamCopsAndRobbers]

hello thi is my code

pawn Код:

forward RobBank(playerid);
public RobBank(playerid)
{
    new rand = random(130000)+0;
    new string[64];
    GivePlayerMoney(playerid,rand);
    format(string,sizeof string,"Your robbed $%d from the Bank",rand);
    SendClientMessage(playerid, -1, string);
    PlayerInfo[playerid][pRobberies] +1; // error line
    SendClientMessage(playerid, COLOR_GREEN, "You Rob the bank and now have 3 wanted level!");
    TogglePlayerControllable(playerid,1);
    return 1;
}

But i get an warn

C:\Users\Mustafa\Desktop\GTA Server AMCNR\gamemodes\AMCNR.pwn(101 : warning 215: expression has no effect