Разбираю один скрипт, и вылетает ошибка: A PHP Error was encountered Severity: Notice Message: Trying to get property of non-object Filename: controllers/Doctor.php Line Number: 33 Backtrace: в етой строке $patient = $this->db->get_where('patient', array('email' => $email))->row()->name; целая функция function patient($task = "", $patient_id = "") { if ($this->session->userdata('doctor_login') != 1) { $this->session->set_userdata('last_page', current_url()); redirect(base_url(), 'refresh'); } if ($task == "create") { $email = $_POST['email']; $patient = $this->db->get_where('patient', array('email' => $email))->row()->name; if ($patient == null) { $this->crud_model->save_patient_info(); $this->session->set_flashdata('message', get_phrase('patient_info_saved_successfuly')); } else { $this->session->set_flashdata('message', get_phrase('duplicate_email')); } redirect(base_url() . 'index.php?doctor/patient'); } if ($task == "update") { $this->crud_model->update_patient_info($patient_id); $this->session->set_flashdata('message', get_phrase('patient_info_updated_successfuly')); redirect(base_url() . 'index.php?doctor/patient'); } if ($task == "delete") { $this->crud_model->delete_patient_info($patient_id); redirect(base_url() . 'index.php?doctor/patient'); } $data['patients'] = $this->crud_model->select_patient_info_by_doctor_id(); $data['page_name'] = 'manage_patient'; $data['page_title'] = get_phrase('patient'); $this->load->view('backend/index', $data); } как решить? помогите.