 TYPE
    fdt$form_definition_error_key = (fdc$no_table_object,
      fdc$no_table_variable, fdc$no_variable_object,
      fdc$unequal_tbl_obj_width,
      fdc$no_variable_definition, fdc$error_input_conversion,
      fdc$error_output_conversion, fdc$error_invalid_value);
