Unkown column in field list - pobranie wartosci

Witam.

Może ktoś mi powiedzieć dlaczego wyświetla mi błąd :mysqli_fetch_row() expects parameter 1 to be mysqli_result, boolean given in pobierz.php on line 47 Error: Unknown column 'SzerGeo' in 'field list'. Posiadam taka kolumnę w bazie

<?php



header('Content-type: application/json');
require_once('baza.php');


$zm = $_GET['zmienna'];
echo $zm;
$zmdwa = $_GET['zmiennadwa'];
echo $zmdwa;
$limit = 5;

$zapytanie_pobierz = "
      SELECT 
        dp.*, 
        p.distance_unit 
          * DEGREES(ACOS(COS(RADIANS(p.latpoint)) 
          * COS(RADIANS(dp.SzerGeo)) 
          * COS(RADIANS(p.longpoint) - RADIANS(dp.DlugoscGeo)) + SIN(RADIANS(p.latpoint)) 
          * SIN(RADIANS(dp.SzerGeo)))) AS distance_in_km 
      FROM Apteka AS dp 
      JOIN (SELECT SzerGeo AS latpoint, DlugoscGeo AS longpoint, 50 AS radius, 111.045 AS distance_unit) AS p 
      WHERE 
        dp.SzerGeo 
          BETWEEN p.latpoint - (p.radius / p.distance_unit) 
              AND p.latpoint + (p.radius / p.distance_unit) AND 
        dp.DlugoscGeo 
          BETWEEN p.longpoint - (p.radius / (p.distance_unit * COS(RADIANS(p.latpoint)))) 
              AND p.longpoint + (p.radius / (p.distance_unit * COS(RADIANS(p.latpoint)))) 
      ORDER BY distance_in_km ASC
      LIMIT $limit";


$wynik_pobierz = mysqli_query($db, $zapytanie_pobierz);

$pobrane_dane = array();
 

while ($wiersz = mysqli_fetch_row($wynik_pobierz)) 
{
  $pobrane_dane[] = $wiersz;
}



if (!$wynik_pobierz) {
    printf("Error: %s\n", mysqli_error($db));
    exit();
}


echo json_encode($pobrane_dane);

 
?>