[ViniBorn]

You didn't declare 'plid'

pawn Код:

CMD:setlevel(playerid, params[])
{
    new Level;
    levelerror(5);
    if(sscanf(params, "ud", plid, Level)) return SendErrorMessage(playerid, "Usage: /setlevel <id> <level>");

pawn Код:

CMD:setlevel(playerid, params[])
{
    new Level,plid;
    levelerror(5);
    if(sscanf(params, "ud", plid, Level)) return SendErrorMessage(playerid, "Usage: /setlevel <id> <level>");