Почему pdoexcep не ловит ошибку?

try{
					$sql="INSERT INTO ad (id_user,id_categoria_level_1,id_categoria_level_2,id_categoria_level_3,name_ad,desc_ad,
					price,video,link,time_ad,public,time_do) 
					VALUES ( :id_user,:id_categoria_level_1,:id_categoria_level_2,:id_categoria_level_3,:name_ad,:desc_ad,:price,:video,:link,$timeAd,'YES',$timeDo)";
					
					$db=Db::getConnection();
					$db->beginTransaction();
					$query=$db->prepare($sql);
					$query->bindParam(':id_user',$user['id'],PDO::PARAM_INT);
					$query->bindParam(':id_categoria_level_1',$id_kat,PDO::PARAM_STR);
					$query->bindParam(':id_cate2goria_level_2',$id_podkat_one,PDO::PARAM_STR);
					$query->bindParam(':id_categoria_level_3',$id_podkat_two,PDO::PARAM_STR);
					$query->bindParam(':name_ad',$dataName,PDO::PARAM_STR);
					$query->bindParam(':desc_ad',$dataDescription,PDO::PARAM_STR);
					$query->bindParam(':price',$dataPrice,PDO::PARAM_INT);
					$query->bindParam(':video',$video,PDO::PARAM_STR);
					$query->bindParam(':link',$link,PDO::PARAM_STR);
					$res=$query->execute();
					$numberId=$db->lastInsertId();

					if($res){
					Self::InsertDataСitySql($db,$numberId,$cityId,$dataLon,$dataLat,$dataStreet,$dataNumber);
						

					}
					$db->commit();

				} catch (\PDOException $e){
				echo	$e->getMessage();
					echo "catch";
					$db->rollBack();
				}