[Rafa]

pawn Код:

public OnPlayerCommandText(playerid, cmdtext[])
{
return 1;
}
return 0; // u need to change this in ...

pawn Код:

return SendClientMessage(playerid, 0xFF0000FF, "SERVER: Sorry, but this command does not exist.");

if this is the right thing u want...

and u can try this for not coming the message

pawn Код:

return SendClientMessage(playerid, 0xFF0000FF, " ");

NOT TESTED