Add support for "missing" credit in mobile receiving

tailbone/api/batch/receiving.py

@@ -414,8 +414,8 @@ class ReceivingBatchRowViews(APIBatchRowView):
         # TODO: this seems hacky, but avoids "complex" date value parsing
         form.set_widget('expiration_date', dfwidget.TextInputWidget())
         if not form.validate():
-            log.debug("form did not validate: %s",
-                      form.make_deform_form().error)
+            log.warning("form did not validate: %s",
+                        form.make_deform_form().error)
             return {'error': "Form did not validate"}
 
         # fetch / validate row object

tailbone/forms/receiving.py

@@ -52,6 +52,7 @@ class ReceiveRow(colander.MappingSchema):
                                    'received',
                                    'damaged',
                                    'expired',
+                                   'missing',
                                    # 'mispick',
                                ]))