begin
					message('03');
					
				
					select to_char((nvl(nu_end_number,0)+1))
 						into :mst_reason.vc_reason_code 
 						from mst_control
 						where vc_control_code = 'Q' 
 						and vc_comp_code = :global.vc_comp_code
						for update of nu_end_number nowait;
						message('04');
				exception
						when others then
							IF dbms_error_code = -54 or error_code = 40735 Then
							set_alert_property('alrt_date',alert_message_text,
							'This record is being modified by another user. Try again !');
						        alt_var := show_alert('alrt_date');
							RAISE Form_Trigger_Failure; 
							message('05');
						 END IF;
				end;