[Luka P.]

Try change

pawn Код:

public OnPlayerEnterCheckpoint(playerid)
{
{
    if(GetPlayerCheckpoint(playerid) == cekbandom)
    {
        ShowMenuForPlayer(Pirkimas, playerid);
    }
    return 1;
}

with

pawn Код:

public OnPlayerEnterCheckPoint(playerid)
{
    if(GetPlayerCheckpoint(playerid) == cekbandom)
    {
        ShowMenuForPlayer(Pirkimas, playerid);
    }
    return 1;
}