System error

error:

Error during compilation of /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/learn.html:
Global symbol "$css_browser" requires explicit package name at /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/learn.html line 20.
Global symbol "$css_browser" requires explicit package name at /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/learn.html line 105.

context:

...
16:	dance lessons and swing dance events virtually every night of the
17:	week!</p>
18:
19:
20:	% if ($css_browser) {
21:	<div class=sidebar>
22:	<& .sidebar &>
23:	</div>
24:	%}
...
101:	<p>Need help figuring out which class to take? Up next, our <a
102:	href='/beginner/dances.html'>overview of popular swing dances</a> can
103:	help you choose.</p>
104:
105:	% if (! $css_browser) {
106:	<table bgcolor=#CCCCFF cellpadding=5>
107:	<tr><td>
108:	<& .sidebar &>
109:	</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/learn.html:
Global symbol "$css_browser" requires explicit package name at /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/learn.html line 20.
Global symbol "$css_browser" requires explicit package name at /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/learn.html line 105.



Trace begun at /usr/share/perl5/HTML/Mason/Interp.pm line 580
HTML::Mason::Interp::_compilation_error('HTML::Mason::Interp=HASH(0x8c55f1c)', '/www/sites/sflindyhop/live/www.sflindyhop.com/beginner/learn.html', 'Error during compilation of :^JGlobal symbol "$css_browser" requires explicit package name at /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/learn.html line 20.^JGlobal symbol "$css_browser" requires explicit package name at /www/sites/sflindyhop/live/www.sflindyhop.com/beginner/learn.html line 105.^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(0x8c55f1c)', '/beginner/learn.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(0x9146a6c)') 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(0x8c55f1c)', 'comp', '/beginner/learn.html', 'args', 'ARRAY(0x926a1d8)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x8c5987c)', 'apache_req', 'Apache::Request=SCALAR(0x9277ef8)', 'container', 'HASH(0x92751e8)') 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(0x8c55f1c)', 'comp', '/beginner/learn.html', 'args', 'ARRAY(0x926a1d8)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x8c5987c)', 'apache_req', 'Apache::Request=SCALAR(0x9277ef8)', 'container', 'HASH(0x92751e8)') called at /usr/share/perl5/Class/Container.pm line 265
Class::Container::call_method('HTML::Mason::Interp=HASH(0x8c55f1c)', 'request', 'new', 'interp', 'HTML::Mason::Interp=HASH(0x8c55f1c)', 'comp', '/beginner/learn.html', 'args', 'ARRAY(0x926a1d8)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x8c5987c)', 'apache_req', 'Apache::Request=SCALAR(0x9277ef8)', 'container', 'HASH(0x92751e8)') called at /usr/share/perl5/Class/Container.pm line 343
Class::Container::create_delayed_object('interp', 'HTML::Mason::Interp=HASH(0x8c55f1c)', 'comp', '/beginner/learn.html', 'args', 'ARRAY(0x926a1d8)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x8c5987c)', 'apache_req', 'Apache::Request=SCALAR(0x9277ef8)', 'container', 'HASH(0x92751e8)') called at /usr/share/perl5/HTML/Mason/Interp.pm line 213
HTML::Mason::Interp::make_request('HTML::Mason::Interp=HASH(0x8c55f1c)', 'comp', '/beginner/learn.html', 'args', 'ARRAY(0x926a1d8)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x8c5987c)', 'apache_req', 'Apache::Request=SCALAR(0x9277ef8)') 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(0x8c5987c)', 'Apache=SCALAR(0x8e78c74)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 790
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x8c5987c)', 'Apache=SCALAR(0x8e78c74)') called at (eval 83) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache=SCALAR(0x8e78c74)') called at /dev/null line 0
eval {...} at /dev/null line 0