Hi<br>I am trying to write a simple facebook app with iframes using yaws. My code is below <br><br><erl>    <br>out(Arg) -><br>    {ok,User} = queryvar(Arg,"fb_sig_user"),<br>    case queryvar(Arg,"fb_sig_user_add") of<br>
        {ok,Page} -> <br>        %% check if the user has added the app<br>            if <br>                    Page == "0" -><br>                    {redirect_local,string:concat("/www/terms_cond.html?soc=fb&uid=",User)};<br>
                Page == "1" -><br>                    {redirect_local,string:concat("/www/mask_flash.html?soc=fb&uid=",User)}<br>            end<br>    end.<br></erl>        <br><br><br>When I try going to the page above I get the following error<br>
<br><pre>ERROR erlang  code  crashed:<br> File: /home/owner/Desktop/erlang/yaws/mask/mask.yaws:1<br>Reason: {{case_clause,undefined},<br>         [{m5,out,1},<br>          {yaws_server,deliver_dyn_part,8},<br>          {yaws_server,aloop,3},<br>
          {yaws_server,acceptor0,2},<br>          {proc_lib,init_p_do_apply,3}]}<br>Req: {http_request,'GET',<br>                   {abs_path,"/mask.yaws?fb_sig_in_iframe=1&fb_sig_locale=en_US&fb_sig_in_new_facebook=1&fb_sig_time=1234274303.4696&fb_sig_added=1&fb_sig_profile_update_time=1216854205&fb_sig_expires=0&fb_sig_user=713876569&fb_sig_session_key=e96b0d4702c06f34e28a68df-713876569&fb_sig_ss=0c2b63ba80e8ef2151b978a0ecd57fe7&fb_sig_ext_perms=offline_access%2Cemail&fb_sig_api_key=648e964d7625f3ed0d49cbb55b46c96a&fb_sig_app_id=2408954250&fb_sig=d34f0ce1ef76b40561a6e0e29dee2db9"},<br>
                   {1,1}}<br>Stack: [{m5,out,1},<br>        {yaws_server,deliver_dyn_part,8},<br>        {yaws_server,aloop,3},<br>        {yaws_server,acceptor0,2<br>        {proc_lib,init_p_do_apply,3}]</pre><br>Any help would be appreciated.<br>