SQLSTATE[22P02]: Invalid text representation: 7 ERROR: invalid input syntax for type boolean: "" 500 Internal Server Error - PDOException public function getFindAllNonOthersQueryBuilder() { return $this ->createQueryBuilder('t') ->where('t.isOther = :isOther') ->setParameter('isOther', false); } /** * @var boolean $isOther * * @ORMColumn(name="isOther", type="boolean") */ protected $isOther = false; ... ->setParameter('isOther', 0);