[miokie]

pawn Код:

if (strcmp("/buyc4", cmdtext, true) == 0)
    {
        if (C4BUY[playerid] == 1) return SendClientMessage(playerid, 0xFF0000AA, "You already have C4");
        else
        {
            SendClientMessage(playerid, 0xFF0000AA, "You have purchased C4");
            C4BUY[playerid] = 1;
        }
        return 1;
    }

You should really read all the posts before replying, I've already fixed it for you.. Thats the fix again above..

You should really learn the basics of Pawn...