System error

error:  Error during compilation of /var/www/website/perl/lieder/get_text.html:
\1 better written as $1 at /var/www/website/lib/LiederUtils.pm line 119.
\2 better written as $2 at /var/www/website/lib/LiederUtils.pm line 119.
\1 better written as $1 at /var/www/website/lib/LiederUtils.pm line 127.
\2 better written as $2 at /var/www/website/lib/LiederUtils.pm line 127.
\1 better written as $1 at /var/www/website/lib/LiederUtils.pm line 166.
\2 better written as $2 at /var/www/website/lib/LiederUtils.pm line 166.

context: 
... 
115:  function showMore() {
116:  var elements = document.getElementsByClassName('detail')
117:  for (var i = 0; i < elements.length; i++) {
118:  elements[i].style.display = '';
119:  }
120:  document.getElementById('text-auth').classList.remove('show-auth');
121:  document.getElementById('tr-auth').classList.remove('show-auth');
122:  document.getElementById('details-btn').textContent = 'Show fewer details';
123:  }
124: 
125:  function showFewer() {
126:  var elements = document.getElementsByClassName('detail')
127:  for (var i = 0; i < elements.length; i++) {
128:  elements[i].style.display = 'none';
129:  }
130:  document.getElementById('text-auth').classList.add('show-auth');
131:  document.getElementById('tr-auth').classList.add('show-auth');
... 
162: 
163:  my $guest_editor = Lieder::Schema::Result::ArchiveUser->authenticate(Lieder::Schema::Result::ArchiveUser->GUEST_EDITOR_NORMAL);
164:  my $user = Lieder::Schema::Result::ArchiveUser->authenticate(Lieder::Schema::Result::ArchiveUser->USER);
165: 
166:  my ($TextId, $SettingId, $Transliterate, $show_orig, $RF, $select_for_diff) = (0,0,0,0,0,0,0);
167:  my $select_for_list = 0;
168: 
169:  my $Setting = undef;
170: 
... 
code stack:  /usr/local/share/perl/5.34.0/HTML/Mason/Interp.pm:450
/usr/local/share/perl/5.34.0/HTML/Mason/Request.pm:250
/usr/local/share/perl/5.34.0/HTML/Mason/Request.pm:212
/usr/local/share/perl/5.34.0/HTML/Mason/ApacheHandler.pm:97
/usr/share/perl5/Class/Container.pm:275
/usr/share/perl5/Class/Container.pm:353
/usr/local/share/perl/5.34.0/HTML/Mason/Interp.pm:348
/usr/local/share/perl/5.34.0/HTML/Mason/ApacheHandler.pm:868
/usr/local/share/perl/5.34.0/HTML/Mason/ApacheHandler.pm:822
(eval 24):8
-e:0
raw error






























Error during compilation of /var/www/website/perl/lieder/get_text.html:
\1 better written as $1 at /var/www/website/lib/LiederUtils.pm line 119.
\2 better written as $2 at /var/www/website/lib/LiederUtils.pm line 119.
\1 better written as $1 at /var/www/website/lib/LiederUtils.pm line 127.
\2 better written as $2 at /var/www/website/lib/LiederUtils.pm line 127.
\1 better written as $1 at /var/www/website/lib/LiederUtils.pm line 166.
\2 better written as $2 at /var/www/website/lib/LiederUtils.pm line 166.



Trace begun at /usr/local/share/perl/5.34.0/HTML/Mason/Interp.pm line 851
HTML::Mason::Interp::_compilation_error('HTML::Mason::Interp=HASH(0x560de4287c90)', '/var/www/website/perl/lieder/get_text.html', 'HTML::Mason::Exception::Compilation=HASH(0x560de40951f8)') called at /usr/local/share/perl/5.34.0/HTML/Mason/Interp.pm line 450
HTML::Mason::Interp::load('HTML::Mason::Interp=HASH(0x560de4287c90)', '/lieder/get_text.html') called at /usr/local/share/perl/5.34.0/HTML/Mason/Request.pm line 250
eval {...} at /usr/local/share/perl/5.34.0/HTML/Mason/Request.pm line 232
HTML::Mason::Request::_initialize('HTML::Mason::Request::ApacheHandler=HASH(0x560de42b4318)') called at /usr/local/share/perl/5.34.0/HTML/Mason/Request.pm line 212
HTML::Mason::Request::new('HTML::Mason::Request::ApacheHandler', 'error_format', 'html', 'error_mode', 'output', 'interp', 'HTML::Mason::Interp=HASH(0x560de4287c90)', 'comp', '/lieder/get_text.html', 'args', 'ARRAY(0x560de4046350)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x560de40460f8)', 'apache_req', 'Apache2::RequestRec=SCALAR(0x560de3efa0c8)', 'container', 'HASH(0x560de40e5060)') called at /usr/local/share/perl/5.34.0/HTML/Mason/ApacheHandler.pm line 97
HTML::Mason::Request::ApacheHandler::new('HTML::Mason::Request::ApacheHandler', 'error_format', 'html', 'error_mode', 'output', 'interp', 'HTML::Mason::Interp=HASH(0x560de4287c90)', 'comp', '/lieder/get_text.html', 'args', 'ARRAY(0x560de4046350)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x560de40460f8)', 'apache_req', 'Apache2::RequestRec=SCALAR(0x560de3efa0c8)', 'container', 'HASH(0x560de40e5060)') called at /usr/share/perl5/Class/Container.pm line 275
Class::Container::call_method('HTML::Mason::Interp=HASH(0x560de4287c90)', 'request', 'new', 'interp', 'HTML::Mason::Interp=HASH(0x560de4287c90)', 'comp', '/lieder/get_text.html', 'args', 'ARRAY(0x560de4046350)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x560de40460f8)', 'apache_req', 'Apache2::RequestRec=SCALAR(0x560de3efa0c8)', 'container', 'HASH(0x560de40e5060)') called at /usr/share/perl5/Class/Container.pm line 353
Class::Container::create_delayed_object('interp', 'HTML::Mason::Interp=HASH(0x560de4287c90)', 'comp', '/lieder/get_text.html', 'args', 'ARRAY(0x560de4046350)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x560de40460f8)', 'apache_req', 'Apache2::RequestRec=SCALAR(0x560de3efa0c8)', 'container', 'HASH(0x560de40e5060)') called at /usr/local/share/perl/5.34.0/HTML/Mason/Interp.pm line 348
HTML::Mason::Interp::make_request('HTML::Mason::Interp=HASH(0x560de4287c90)', 'comp', '/lieder/get_text.html', 'args', 'ARRAY(0x560de4046350)', 'ah', 'HTML::Mason::ApacheHandler=HASH(0x560de40460f8)', 'apache_req', 'Apache2::RequestRec=SCALAR(0x560de3efa0c8)') called at /usr/local/share/perl/5.34.0/HTML/Mason/ApacheHandler.pm line 868
eval {...} at /usr/local/share/perl/5.34.0/HTML/Mason/ApacheHandler.pm line 867
HTML::Mason::ApacheHandler::prepare_request('HTML::Mason::ApacheHandler=HASH(0x560de40460f8)', 'Apache2::RequestRec=SCALAR(0x560de3efa0c8)') called at /usr/local/share/perl/5.34.0/HTML/Mason/ApacheHandler.pm line 822
HTML::Mason::ApacheHandler::handle_request('HTML::Mason::ApacheHandler=HASH(0x560de40460f8)', 'Apache2::RequestRec=SCALAR(0x560de3efa0c8)') called at (eval 24) line 8
HTML::Mason::ApacheHandler::handler('HTML::Mason::ApacheHandler', 'Apache2::RequestRec=SCALAR(0x560de3efa0c8)') called at -e line 0
eval {...} at -e line 0