Fatal error: Uncaught Error: Call to a member function fetch() on boolean in C:xampphtdocsphppage.php:544 Stack trace: #0 {main} thrown in C:xampphtdocsphppage.php on line 544

$id = "53107933-9793-48FA-94FE-7F4DEB7EFFB6";

$idsecond = $id;
$sql1type='SELECT
    Person.*
    FROM         Person LEFT OUTER JOIN
    PersonAccount ON Person.PersonUId = PersonAccount.PersonUId LEFT OUTER JOIN
    PersonAddress ON Person.PersonUId = PersonAddress.PersonUId LEFT OUTER JOIN
    PersonMoreDetail ON Person.PersonUId = PersonMoreDetail.PersonUId
    WHERE Person.Type = 0 AND Person.CompanyDepartmentUId = '.$idsecond.' ORDER BY Person.Nr ASC';



$stm1type = $conn->query($sql1type);
    while($rows1type = $stm1type->fetch(PDO::FETCH_ASSOC)) {
        $id = isset($rows1type['PersonUId']) ? $rows1type['PersonUId'] : NULL;
        $cid = isset($rows1type['CompanyDepartmentUId']) ? $rows1type['CompanyDepartmentUId'] : NULL;

while($rows1type = $stm1type->fetch(PDO::FETCH_ASSOC)) {