System error

error:  Error during compilation of /srv/www/crosbi/bib/_lib/_header.m:
Prototype mismatch: sub HTML::Mason::Commands::head ($) vs none at /usr/share/perl/5.20/CGI.pm line 309.

context: 
... 
code stack:  /usr/share/perl5/HTML/Mason/Interp.pm:453
/usr/share/perl5/HTML/Mason/Request.pm:1130
/usr/share/perl5/HTML/Mason/Request.pm:1044
/usr/share/perl5/HTML/Mason/Request.pm:1242
/srv/www/crosbi/bib/autohandler:12
raw error






























Error during compilation of /srv/www/crosbi/bib/_lib/_header.m:
Prototype mismatch: sub HTML::Mason::Commands::head ($) vs none at /usr/share/perl/5.20/CGI.pm line 309.



Trace begun at /usr/share/perl5/HTML/Mason/Interp.pm line 854
HTML::Mason::Interp::_compilation_error('HTML::Mason::Interp=HASH(0x562cae7e6560)', '/srv/www/crosbi/bib/_lib/_header.m', 'HTML::Mason::Exception::Compilation=HASH(0x562cae7c2488)') called at /usr/share/perl5/HTML/Mason/Interp.pm line 453
HTML::Mason::Interp::load('HTML::Mason::Interp=HASH(0x562cae7e6560)', '/_lib/_header.m') called at /usr/share/perl5/HTML/Mason/Request.pm line 1130
HTML::Mason::Request::_fetch_comp('HTML::Mason::Request::ApacheHandler=HASH(0x562cadbf7f88)', '_lib/_header.m', 'HTML::Mason::Component::FileBased=HASH(0x562cae629aa0)', 'SCALAR(0x562caebd55c0)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1044
HTML::Mason::Request::fetch_comp('HTML::Mason::Request::ApacheHandler=HASH(0x562cadbf7f88)', '_lib/_header.m', undef, 'SCALAR(0x562caebd55c0)') called at /usr/share/perl5/HTML/Mason/Request.pm line 1242
HTML::Mason::Request::comp('HTML::Mason::Request::ApacheHandler=HASH(0x562cadbf7f88)', '_lib/_header.m', 'rad', 531532, 'sekcija', 'pregledi') called at /srv/www/crosbi/bib/autohandler line 12
HTML::Mason::Commands::__ANON__('rad', 531532) called at /usr/share/perl5/HTML/Mason/Component.pm line 138
HTML::Mason::Component::run('HTML::Mason::Component::FileBased=HASH(0x562cae629aa0)', 'rad', 531532) called at /usr/share/perl5/HTML/Mason/Request.pm line 1303
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 1295
HTML::Mason::Request::comp(undef, undef, undef, 'rad', 531532) called at /usr/share/perl5/HTML/Mason/Request.pm line 484
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 484
eval {...} at /usr/share/perl5/HTML/Mason/Request.pm line 436
HTML::Mason::Request::exec('HTML::Mason::Request::ApacheHandler=HASH(0x562cadbf7f88)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 165
HTML::Mason::Request::ApacheHandler::exec('HTML::Mason::Request::ApacheHandler=HASH(0x562cadbf7f88)') called at /usr/share/perl5/HTML/Mason/ApacheHandler.pm line 831
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x562cadd27ee8)', 'Apache2::RequestRec=SCALAR(0x562caea10820)') called at (eval 26) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache2::RequestRec=SCALAR(0x562caea10820)') called at -e line 0
eval {...} at -e line 0