System error

error:  Error during compilation of /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/index.html:
Global symbol "$css_browser" requires explicit package name at /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/index.html line 13.
Global symbol "$css_browser" requires explicit package name at /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/index.html line 44.

context: 
... 
9:  during late 1920s through 1940s (the Swing Era) that were danced to
10:  Big Band and swinging jazz music. Most forms of swing dancing are
11:  danced with a partner.</p>
12: 
13:  % if ($css_browser) {
14:  <div class='sidebar'>
15:  <& .sidebar &>
16:  </div>
17:  %}
... 
40:  community!</p>
41: 
42:  <p>New to social dancing? Up next, read more about <a href='/beginner/socialdance.html'>the basics of social dancing</a></p>
43: 
44:  % if (!$css_browser) {
45:  <table bgcolor=#CCCCFF cellpadding=5>
46:  <tr><td>
47:  <& .sidebar &>
48:  </td></tr>
... 
code stack:  /usr/share/perl5/HTML/Mason/Interp.pm:317
/usr/share/perl5/HTML/Mason/Request.pm:198
/usr/share/perl5/HTML/Mason/Request.pm:166
/usr/share/perl5/HTML/Mason/ApacheHandler.pm:60
/usr/share/perl5/Class/Container.pm:265
/usr/share/perl5/Class/Container.pm:343
/usr/share/perl5/HTML/Mason/Interp.pm:213
/usr/share/perl5/HTML/Mason/ApacheHandler.pm:864
/usr/share/perl5/HTML/Mason/ApacheHandler.pm:790
(eval 83):8
/dev/null:0
raw error






























Error during compilation of /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/index.html:
Global symbol "$css_browser" requires explicit package name at /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/index.html line 13.
Global symbol "$css_browser" requires explicit package name at /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/index.html line 44.



Trace begun at /usr/share/perl5/HTML/Mason/Interp.pm line 580
HTML::Mason::Interp::_compilation_error('HTML::Mason::Interp=HASH(0x8d14fe4)', '/www/sites/sflindyhop/live/www.sflindyhop.com/beginner/index.html', 'Error during compilation of :^JGlobal symbol "$css_browser" requires explicit package name at /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/index.html line 13.^JGlobal symbol "$css_browser" requires explicit package name at /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/index.html line 44.^J^J^JStack:^J  [/usr/share/perl5/HTML/Mason/Interp.pm:311]^J  [/usr/share/perl5/HTML/Mason/Request.pm:198]^J  [/usr/share/perl5/HTML/Mason/Request.pm:166]^J  [/usr/share/perl5/HTML/Mason/ApacheHandler.pm:60]^J  [/usr/share/perl5/Class/Container.pm:265]^J  [/usr/share/perl5/Class/Container.pm:343]^J  [/usr/share/perl5/HTML/Mason/Interp.pm:213]^J  [/usr/share/perl5/HTML/Mason/ApacheHandler.pm:864]^J  [/usr/share/perl5/HTML/Mason/ApacheHandler.pm:790]^J  [(eval 83):8]^J  [/dev/null:0]^J') called at /usr/share/perl5/HTML/Mason/Interp.pm line 317
HTML::Mason::Interp::load('HTML::Mason::Interp=HASH(0x8d14fe4)', '/beginner/index.html') called at /usr/share/perl5/HTML/Mason/Request.pm line 198
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 186
HTML::Mason::Request::_initialize('HTML::Mason::Request::ApacheHandler=HASH(0x8df927c)') called at /usr/share/perl5/HTML/Mason/Request.pm line 166
HTML::Mason::Request::new('HTML::Mason::Request::ApacheHandler', 'error_mode', 'output', 'error_format', 'html', 'interp', 'HTML::Mason::Interp=HASH(0x8d14fe4)', 'comp', '/beginner/index.html', 'args', 'ARRAY(0x8dbadb0)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x8d151e8)', 'apache_req', 'Apache::Request=SCALAR(0x8df5b0c)', 'container', 'HASH(0x8dae258)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 60
HTML::Mason::Request::ApacheHandler::new('HTML::Mason::Request::ApacheHandler', 'error_mode', 'output', 'error_format', 'html', 'interp', 'HTML::Mason::Interp=HASH(0x8d14fe4)', 'comp', '/beginner/index.html', 'args', 'ARRAY(0x8dbadb0)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x8d151e8)', 'apache_req', 'Apache::Request=SCALAR(0x8df5b0c)', 'container', 'HASH(0x8dae258)') called at /usr/share/perl5/Class/Container.pm line 265
Class::Container::call_method('HTML::Mason::Interp=HASH(0x8d14fe4)', 'request', 'new', 'interp', 'HTML::Mason::Interp=HASH(0x8d14fe4)', 'comp', '/beginner/index.html', 'args', 'ARRAY(0x8dbadb0)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x8d151e8)', 'apache_req', 'Apache::Request=SCALAR(0x8df5b0c)', 'container', 'HASH(0x8dae258)') called at /usr/share/perl5/Class/Container.pm line 343
Class::Container::create_delayed_object('interp', 'HTML::Mason::Interp=HASH(0x8d14fe4)', 'comp', '/beginner/index.html', 'args', 'ARRAY(0x8dbadb0)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x8d151e8)', 'apache_req', 'Apache::Request=SCALAR(0x8df5b0c)', 'container', 'HASH(0x8dae258)') called at /usr/share/perl5/HTML/Mason/Interp.pm line 213
HTML::Mason::Interp::make_request('HTML::Mason::Interp=HASH(0x8d14fe4)', 'comp', '/beginner/index.html', 'args', 'ARRAY(0x8dbadb0)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x8d151e8)', 'apache_req', 'Apache::Request=SCALAR(0x8df5b0c)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 864
eval {...} at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 863
HTML::Mason::ApacheHandler::prepare_request('HTML::Mason::ApacheHandler=HASH(0x8d151e8)', 'Apache=SCALAR(0x87a56b8)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 790
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x8d151e8)', 'Apache=SCALAR(0x87a56b8)') called at (eval 83) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache=SCALAR(0x87a56b8)') called at /dev/null line 0
eval {...} at /dev/null line 0