[c-middia]

Код:

#include <a_samp>
new PlayerName[MAX_PLAYER_NAME]; // <<<< add this here remove the lower ones
new Hery_Deizo;
new Tomas_Slavinskas;
public OnGameModeInit()
{
Hery_Deizo = AddStaticVehicle(422,-256.2316,1159.1613,19.4457,90.4772,1,1);
Tomas_Slavinskas = AddStaticVehicle(580,-306.0162,1115.7000,19.6242,179.6534,1,1);
return 1;
}
public OnPlayerEnterVehicle(playerid, vehicleid, ispassenger)
{
  if (vehicleid == Hery_Deizo)
  {
    //new PlayerName[MAX_PLAYER_NAME];
    GetPlayerName(playerid, PlayerName, sizeof(PlayerName));
    if(strcmp(PlayerName, "Hery_Deizo", true) == 0)
    {
      SendClientMessage(playerid, 0xAA3333AA,"This car is yours");
    }
    else
    {
      SendClientMessage(playerid, 0xAA3333AA, "This car's owner is Hery_Deizo !");
      PutPlayerInVehicle(playerid, vehicleid, 1);
    }
  if (vehicleid == Tomas_Slavinskas)
  {
    //new PlayerName[MAX_PLAYER_NAME];
    GetPlayerName(playerid, PlayerName, sizeof(PlayerName));
    if(strcmp(PlayerName, "Tomas_Slavinskas", true) == 0)
    {
      SendClientMessage(playerid, 0xAA3333AA,"This car is yours");
    }
    else
    {
      SendClientMessage(playerid, 0xAA3333AA, "This car's owner is Tomas_Slavinskas !");
      PutPlayerInVehicle(playerid, vehicleid, 1);
    }
  }
  return 1;
}

this should fix your error