anchor.diff:          _internal_class_not_existing = 1
           not_existing                 = 2
           OTHERS                       = 3.
  -    IF sy-subrc <> 0.
  -      _raise 'Error from get_include_source'.
  +    IF sy-subrc <> 0 AND sy-subrc <> 2.
  +      _raise 'Error from get_include_source, def'.
       ENDIF.
   
       reduce( CHANGING ct_source = rt_source ).
  
positive.code:           exception_list          = lt_exception
            documentation           = lt_documentation
            source                  = lt_source
          EXCEPTIONS
            error_message           = 1
            function_not_found      = 2
  
negative.code:         not_found        = 3
          object_not_found = 4
          OTHERS           = 5.
      IF sy-subrc = 4 OR sy-subrc = 3.
        RETURN.
      ENDIF.
      IF sy-subrc <> 0.
  