anchor.diff:      redirect_to(user_page,ReqMap);
   set_valid_user(_,ReqMap) ->
       Error = <<"Invalid/Unknown User">>,
  -    show_error_and_close_sessino(Error, ReqMap).
  +    show_error_and_close_session(Error, ReqMap).
   
   redirect_to(auth_server, #{op_id := OpenIdProvider, session:=Session}) ->
       {ok, OidcState} = tts_session:get_oidc_state(Session),
  
positive.code: redirect_to(_, _ReqMap) ->
      create_redirection("/").
  
  show_error_and_close_sessino(Error,ReqMap) ->
      show_error(Error, ReqMap, true).
  
  show_error(Error,#{session := Session},CloseSession) ->
  
negative.code:     set_valid_user(tts_user_cache:get_user_info(Issuer, Subject), maps:put(token,Token,ReqMap));
  try_to_set_user(_, ReqMap) ->
      Error = <<"Invalid Token">>,
      show_error_and_close_session(Error, ReqMap).
  
  
  set_valid_user({ok, _UserInfo},#{session := Session, token:=Token } = ReqMap) ->
  