Codeigniter

mau bertanya, bagaimana cara mengatasi A Database Error Occurred Error Number: 1054 Unknown column 'surat_kuasa' in 'field list' INSERT INTO `pengajuan` (`no_rm`, `nama`, `nama_asuransi`, `tata_usaha`, `kelengkapan`, `surat_kuasa`, `surat_pelepasan_informasi`, `surat_ke_direktur`, `kib`, `rm`) VALUES ('19007800', 'A', 'PT Asuransi Axa Mandiri Finansial Service', '2020-04-01', '1', '1', '1', '1', '1', '2020-04-02') Filename: C:/xampp/htdocs/e-pasti/system/database/DB_driver.php Line Number: 691 source code simpan saya seperti ini

function simpan(){
		$data = array(

			'no_rm'			=>$this->input->post('norm'),
			'nama'			=>strtoupper($this->input->post('namapasien')),
			'nama_asuransi'	=>$this->input->post('asuransi'),
			'tata_usaha'	=>$this->input->post('tanggalsurat'),
			'kelengkapan'	=>$this->input->post('kelengkapan'),
			'surat_kuasa'	=>$this->input->post('surat_kuasa'),
			'surat_pelepasan_informasi'	=>$this->input->post('surat_pelepasan_informasi'),
			'surat_ke_direktur'	=>$this->input->post('surat_ke_direktur'),
			'kib'			=>$this->input->post('kib'),
			'rm'			=> date('Y-m-d')
		);

		if(!empty($data['no_rm'])){
			$kematian = $this->db->get_where('kematian', ['norm'=>$data['no_rm']]);
			$mati = $kematian->num_rows();
			$row = $kematian->row_array();
			if($mati > 0){
				$no_mati = $row['no_urut_simpan'];
			}else{
				$no_mati = '';
			}
		}
		$simpan = $this->db->insert('pengajuan',$data);
		if($simpan){
			$row = $this->db->get_where('config', ['id'=>1])->row_array();
			$printer = $row['value'];
			if($row['status']==1){
				$handle = printer_open($printer);
			    if($handle){
			    	printer_start_doc($handle, "My Document");
				    printer_start_page($handle);
				    $font = printer_create_font("Tahoma", 30, 20, 400, false, false, false, 0);
				    printer_select_font($handle, $font);
				    printer_draw_text($handle, "ASURANSI", 70, 0);
				    printer_delete_font($font);
				    $font = printer_create_font("Tahoma", 25, 10, 400, false, false, false, 0);
				    printer_select_font($handle, $font);
				    printer_draw_text($handle, "No RM : ".$data['no_rm'], 5, 60);
				    printer_draw_text($handle, "Nama  : ".$data['nama'], 5, 90);
				    printer_draw_text($handle, "Tgl      : ".date('d-m-Y'), 5, 120);
				    if($mati > 0){
				    	printer_draw_text($handle, "Meniggal: ".$row['tahun_meninggal'].' + '.$row['no_urut_simpan'], 5, 150);
				    }
				    printer_draw_text($handle, "Dokter : ", 5, 180);
				    printer_draw_text($handle, "------------------------------------------------------------", 5, 300);

				    printer_end_page($handle);
				    printer_end_doc($handle);
				    printer_close($handle);
			    }
			}