--- loncom/interface/loncreatecourse.pm 2010/05/14 18:29:52 1.138 +++ loncom/interface/loncreatecourse.pm 2020/05/22 19:57:57 1.158.2.6 @@ -1,7 +1,7 @@ # The LearningOnline Network # Create a course # -# $Id: loncreatecourse.pm,v 1.138 2010/05/14 18:29:52 bisitz Exp $ +# $Id: loncreatecourse.pm,v 1.158.2.6 2020/05/22 19:57:57 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -82,7 +82,11 @@ use Apache::lonlocal; use Apache::lonuserutils; use Apache::lonclonecourse; use LONCAPA::batchcreatecourse; -use LONCAPA; +use LONCAPA qw(:DEFAULT :match); + +my $registered_flush; +my $registered_instcats; +my $modified_dom; # ===================================================== Phase one: fill-in form @@ -93,12 +97,13 @@ sub print_course_creation_page { $crstype = 'Course'; } my $defdom=$env{'request.role.domain'}; + my %domdefaults = &Apache::lonnet::get_domain_defaults($defdom); my %host_servers = &Apache::lonnet::get_servers($defdom,'library'); my $course_home = '' + .'' .&Apache::lonhtmlcommon::row_closure() .&Apache::lonhtmlcommon::row_title($lt{'chsr'}) @@ -313,7 +332,9 @@ END if ($crstype eq 'Course') { $r->print(&Apache::lonhtmlcommon::row_headline() .'

'.$lt{'iinf'}.'

' - .$lt{'stat'} + .$lt{'stat'}.' ' + .&mt('Default credits can also be specified, if different from the domain defaults (official courses: [_1]; unofficial courses: [_2]; textbook courses: [_3]).', + $domdefaults{'officialcredits'},$domdefaults{'unofficialcredits'},$domdefaults{'textbookcredits'}) .&Apache::lonhtmlcommon::row_closure() .&Apache::lonhtmlcommon::row_title($lt{'ccod'}) @@ -331,8 +352,21 @@ END .'
('.$lt{'cscs'}.')' .&Apache::lonhtmlcommon::row_closure() ); + if ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbookcredits'}) { + $r->print(&Apache::lonhtmlcommon::row_title($lt{'ccre'}) + .'' + .'
('.$lt{'cred'}.')' + .&Apache::lonhtmlcommon::row_closure() + ); + } + $r->print(&Apache::lonhtmlcommon::row_title($lt{'crcd'}) + .'' + .''.&mt('Yes').(' 'x2) + .''.&mt('No') + .' + .&Apache::lonhtmlcommon::row_closure() + ); } - # Table: New Course / Clone Course $r->print(&Apache::lonhtmlcommon::row_headline() .'

'.$lt{'crco'}.'

' @@ -359,19 +393,25 @@ END .'' - .' ' - .''); + } + $r->print('
('.$lt{'stco'}.')' .&Apache::lonhtmlcommon::row_closure(1) .&Apache::lonhtmlcommon::end_pick_box() - .' ' + .' ' # Clone Course: .'' @@ -399,7 +439,7 @@ END .' ' .&Apache::lonhtmlcommon::row_closure() .&Apache::lonhtmlcommon::row_headline() - .$lt{'asov'} + .''.$lt{'asov'}.'' .&Apache::lonhtmlcommon::row_closure(1) .&Apache::lonhtmlcommon::end_pick_box() .'' @@ -421,7 +461,10 @@ END .&Apache::lonhtmlcommon::row_closure() .&Apache::lonhtmlcommon::row_title($lt{'oaas'}) - .'' + .'' + .''.(' 'x2) + .''.', ' + .$lt{'sta'}.' '.$openallfrom.'' .&Apache::lonhtmlcommon::row_closure() .&Apache::lonhtmlcommon::row_headline() @@ -436,6 +479,10 @@ END .'' .&Apache::lonhtmlcommon::row_closure() + .&Apache::lonhtmlcommon::row_title($lt{'scof'}) + .'' + .&Apache::lonhtmlcommon::row_closure() + .&Apache::lonhtmlcommon::row_headline() .'

'.$lt{'cmmn'}.'

' .&Apache::lonhtmlcommon::row_closure() @@ -531,7 +578,8 @@ END

-' + +

' ); } elsif ($crstype eq 'Community') { $r->print(' @@ -553,7 +601,9 @@ sub create_course { my $ccuname =&LONCAPA::clean_username($env{'form.ccuname'}); my $ccdomain=&LONCAPA::clean_domain($env{'form.ccdomain'}); my $crstype = 'Community'; - my ($enrollstart,$enrollend,$startaccess,$endaccess); + my ($enrollstart,$enrollend,$startaccess,$endaccess,$openallfrom); + my %domdefaults = + &Apache::lonnet::get_domain_defaults($env{'request.role.domain'}); if ($env{'form.phase'} eq 'coursetwo') { $crstype='Course'; @@ -562,6 +612,7 @@ sub create_course { } $startaccess = &Apache::lonhtmlcommon::get_date_from_form('startaccess'); $endaccess = &Apache::lonhtmlcommon::get_date_from_form('endaccess'); + $openallfrom = &Apache::lonhtmlcommon::get_date_from_form('openallfrom'); my $autharg; my $authtype; @@ -620,15 +671,26 @@ sub create_course { endaccess => $endaccess, setpolicy => $env{'form.setpolicy'}, setcontent => $env{'form.setcontent'}, + setcomment => $env{'form.setcomment'}, reshome => $env{'form.reshome'}, setkeys => $env{'form.setkeys'}, keyauth => $env{'form.keyauth'}, disresdis => $env{'form.disresdis'}, disablechat => $env{'form.disablechat'}, openall => $env{'form.openall'}, + openallfrom => $openallfrom, firstres => $env{'form.firstres'} }; + if (($crstype eq 'Course') && + ($domdefaults{'officialcredits'} || $domdefaults{'unofficialcredits'} || $domdefaults{'textbookcredits'})) { + $args->{'defaultcredits'} = $env{'form.defaultcredits'}; + } + + if ($env{'form.uniquecode'}) { + $args->{'uniquecode'} = 1; + } + # # Verify data # @@ -657,12 +719,12 @@ sub create_course { ,$env{'form.course_home'}.&Apache::loncommon::end_page())); return; } - my ($courseid,$crsudom,$crsunum); + my ($courseid,$crsudom,$crsunum,$code); my ($success,$output) = &Apache::loncommon::construct_course($args,\$logmsg,\$courseid, \$crsudom,\$crsunum, $env{'user.domain'}, - $env{'user.name'},'dc_create'); + $env{'user.name'},'dc_create',undef,undef,\$code); $r->print($output); if ($success) { # @@ -682,8 +744,15 @@ sub create_course { $r->print( '

'.&mt('Manage Access Keys').'

'); } - # Flush the course logs so reverse user roles immediately updated - &Apache::lonnet::flushcourselogs(); + if ($code) { + $r->print( + '

'.&mt('Course identifier to share with students: [_1]',$code).'

' + ); + } + if ($env{'form.crscode'} ne '') { + &Apache::lonnet::devalidate_cache_new('instcats',$crsudom); + } + ®ister_cleanups($r,$crsudom,$env{'form.crscode'}); $r->print('

'.&mt('Roles will be active at next login').'.

'); } $r->print('

'. @@ -692,7 +761,7 @@ sub create_course { } sub print_intro_page { - my ($r,$show_all_choices) = @_; + my ($r,$show_all_choices,$cancreate,$permission) = @_; my $start_page = &Apache::loncommon::start_page('Create a New Course or Community'); my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Creation Options','Create_Course',undef,'Create_Courses'); @@ -701,6 +770,10 @@ sub print_intro_page { my $helplink=&Apache::loncommon::help_open_topic('Create_Course_Community',&mt('Help on Creating Courses and Communities')); # Create menu + my $approve = 'Display requests awaiting approval'; + if ($permission->{'create'}) { + $approve = 'Approve or reject requests'; + } my @menu; @menu = ({ categorytitle => 'Course/Community Creation', @@ -708,25 +781,25 @@ sub print_intro_page { { linktext => 'Create a single course', url => '/adm/createcourse?phase=courseone', - permission => 1, + permission => $permission->{'create'}, #help => '', - icon => 'ccrs.png', + icon => 'crsnew.png', linktitle => 'Create a new course by completing an online form.' }, { linktext => 'Create a single community', url => '/adm/createcourse?phase=groupone', - permission => $show_all_choices, + permission => $permission->{'create'} && $cancreate->{'Community'}, #help => '', - icon => 'ccrs.png', + icon => 'crsnew.png', linktitle => 'Create a new collaborative community by completing an online form.' }, { linktext => 'Create courses/communities by uploading an attributes file', url => '/adm/createcourse?phase=batchone', - permission => 1, + permission => $permission->{'create'}, help => 'Batch_Creation', - icon => 'ccrs.png', + icon => 'uplcrs.png', linktitle => 'Upload an attributes file containing specifications for one or more courses or communities in XML format.' }, ] @@ -734,19 +807,20 @@ sub print_intro_page { { categorytitle => 'Course/Community Requests', items => [ { - linktext => 'Approve or reject requests', + linktext => $approve, url => '/adm/createcourse?phase=requestdisplay', permission => $show_all_choices, #help => '', - icon => 'ccrs.png', + icon => 'rcrs.png', linktitle => 'Display course and community creation requests submitted by authorized users, held pending approval by a Domain Coordinator.' }, { - linktext => 'Display official course requests', + linktext => 'View pending official course requests', url => '/adm/createcourse?phase=pendingdisplay', permission => $show_all_choices, #help => '', - icon => 'ccrs.png', + icon => 'edit-find.png', + alttext => '', linktitle => 'Display official course requests submitted by authorized users, held pending validation of instructor status.' }, ] @@ -794,43 +868,68 @@ sub upload_batchfile { sub process_batchfile { my $r = shift; - my $start_page = - &Apache::loncommon::start_page('Create a New Course or Community'); - my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Creation Outcome','Create_Course',undef,'Create_Courses'); - my $end_page = - &Apache::loncommon::end_page(); my $defdom=$env{'request.role.domain'}; - my $batchfilepath=&Apache::lonnet::userfileupload('coursecreatorxml',undef, - 'batchupload',undef,undef, - undef,undef,$defdom); - my ($batchdir,$filename) = ($batchfilepath =~ m-^(.+)/pending/([^/]+)$-); - my ($result,$logmsg); - if (-e "$batchfilepath") { - open(FILE,"<$batchfilepath"); - my @buffer = ; - close(FILE); - if ((defined($filename)) && (defined($batchdir))) { - my @requests = ($filename); - my %courseids = (); - ($result,$logmsg) = &LONCAPA::batchcreatecourse::create_courses( - \@requests,\%courseids,'web',$defdom, - $env{'user.name'},$env{'user.domain'}); - if ($result) { - if (!-e "$batchdir/processed") { - mkdir("$batchdir/processed", 0755); - open(FILE,">$batchdir/processed/$filename"); - print FILE @buffer; + my $uname = $env{'user.name'}; + my $udom = $env{'user.domain'}; + my $dir = &LONCAPA::tempdir().'addcourse'; + my ($result,$logmsg,$keysmsg,$codesref,$instcodesref); + if (($defdom =~ /^$match_domain$/) && ($uname =~ /^$match_username$/) && ($udom =~/^$match_domain$/)) { + my $batchfilepath=&Apache::lonnet::userfileupload('coursecreatorxml',undef, + 'batchupload',undef,undef, + undef,undef,$defdom); + if ($batchfilepath =~ m{^(\Q$dir/$defdom/web/$uname\E_\Q$udom\E)/pending/([^/]+)$}) { + my ($batchdir,$filename) = ($1,$2); + if (-e "$batchfilepath") { + if (open(FILE,"<",$batchfilepath)) { + my @buffer = ; close(FILE); - if (-e "$batchdir/processed/$filename") { - unlink("$batchdir/pending/$filename"); + if ((defined($filename)) && (defined($batchdir))) { + my @requests = ($filename); + my %courseids = (); + ($result,$logmsg,$keysmsg,$codesref,$instcodesref) = + &LONCAPA::batchcreatecourse::create_courses( + \@requests,\%courseids,'web',$defdom, + $uname,$udom); + if (keys(%courseids) > 0) { + if (!-e "$batchdir/processed") { + mkdir("$batchdir/processed", 0755); + } + if (-d "$batchdir/processed") { + if (open(FILE,">","$batchdir/processed/$filename")) { + print FILE @buffer; + close(FILE); + } + } + if (-e "$batchdir/processed/$filename") { + unlink("$batchdir/pending/$filename"); + } + my $updatecats; + if ((ref($instcodesref) eq 'HASH') && (keys(%{$instcodesref}) > 0)) { + &Apache::lonnet::devalidate_cache_new('instcats',$defdom); + $updatecats = 1; + } + ®ister_cleanups($r,$defdom,$updatecats); + + } } + } else { + $result = '

'.&mt('Could not open attributes file.').'
'.&mt('No courses created.').'

'; } + } else { + $result = '

'.&mt('No uploaded attributes file found.').'
'.&mt('No courses created.').'

'; } + } else { + $result = '

'.&mt('Invalid path to attributes file.').'
'.&mt('No courses created.').'

'; } + } else { + $result = '

'.&mt("Your username, domain, and/or your current role's domain are missing or contain invalid characters."). + '
'.&mt('No courses created.').'

'; } - $r->print($start_page.$crumbs.$logmsg.$result.'
'. - &mt('Creation options menu').''.$end_page); - + $r->print(&Apache::loncommon::start_page('Create a New Course, Community or Placement Test'). + &Apache::lonhtmlcommon::breadcrumbs('Creation Outcome','Create_Course',undef,'Create_Courses'). + $logmsg.$result.'
'. + &mt('Creation options menu').''. + &Apache::loncommon::end_page()); } sub courserequestbrowser_javascript { @@ -925,7 +1024,7 @@ sub print_creation_logs { if ($numtitles) { if (($curr{'type'} eq 'official') || ($curr{'type'} eq 'unofficial')) { $instcodefilter = &instcode_srchstr($dom,$numtitles); - &Apache::courseclassifier::instcode_search_str($dom,$numtitles); + &Apache::courseclassifier::instcode_search_str($dom,$numtitles,\@codetitles); if ($curr{'type'} eq 'official') { $regexpok = 1; } else { @@ -1117,7 +1216,7 @@ sub creation_display_filter { $typename = $typenames->{$type}; } } - $output .= ''."\n"; + $output .= ''."\n"; } $output .= ''; } @@ -1204,6 +1303,58 @@ ENDJS } +sub get_permission { + my ($dom) = @_; + my ($allowed,%permission); + if (&Apache::lonnet::allowed('ccc',$dom)) { + $allowed = 1; + %permission = ( + create => 1, + ); + } elsif (&Apache::lonnet::allowed('dcc',$dom)) { + $allowed = 1; + } + return ($allowed,\%permission); +} + +sub register_cleanups { + my ($r,$cdom,$updatecats) = @_; + # Flush the course logs so reverse user roles immediately updated + unless ($registered_flush) { + my $handlers = $r->get_handlers('PerlCleanupHandler'); + $r->set_handlers('PerlCleanupHandler' => [\&Apache::lonnet::flushcourselogs,@{$handlers}]); + $registered_flush=1; + } + # Update cache of self-cataloging courses on institution's server(s). + if ($updatecats) { + if (&Apache::lonnet::shared_institution($cdom)) { + unless ($registered_instcats) { + my $handlers = $r->get_handlers('PerlCleanupHandler'); + $r->set_handlers('PerlCleanupHandler' => [\&devalidate_remote_instcats,@{$handlers}]); + $registered_instcats=1; + $modified_dom = $cdom; + } + } + } + return; +} + +sub devalidate_remote_instcats { + if ($modified_dom ne '') { + my %servers = &Apache::lonnet::internet_dom_servers($modified_dom); + my %thismachine; + map { $thismachine{$_} = 1; } &Apache::lonnet::current_machine_ids(); + if (keys(%servers)) { + foreach my $server (keys(%servers)) { + next if ($thismachine{$server}); + &Apache::lonnet::remote_devalidate_cache($server,['instcats:'.$modified_dom]); + } + } + $modified_dom = ''; + } + return; +} + # ===================================================================== Handler sub handler { my $r = shift; @@ -1214,14 +1365,31 @@ sub handler { return OK; } - my $show_all_choices = 0; - my $primary_rev = &Apache::lonnet::get_server_loncaparev($env{'request.role.domain'}); - if (($primary_rev ne 'refused') && ($primary_rev ne 'error') && - ($primary_rev ne 'unknown_cmd') && ($primary_rev ne 'no_such_host')) { - $show_all_choices = 1; - } + $registered_flush = 0; + $registered_instcats = 0; + $modified_dom = ''; + + my ($allowed,$permission) = &get_permission($env{'request.role.domain'}); + if ($allowed) { + my $show_all_choices = 0; + my $primary_rev = &Apache::lonnet::get_server_loncaparev($env{'request.role.domain'}); + my %cancreate = ( + Community => 0, + ); + if (($primary_rev ne 'refused') && ($primary_rev ne 'error') && + ($primary_rev ne 'unknown_cmd') && ($primary_rev ne 'no_such_host')) { + $show_all_choices = 1; + my ($primary_major,$primary_minor) = split(/\./,$primary_rev); + foreach my $key (keys(%cancreate)) { + my ($needsmajor,$needsminor) = + split(/\./,$Apache::lonnet::needsrelease{'course:crstype:'.$key}); + unless (($needsmajor > $primary_major) || + (($needsmajor == $primary_major) && ($needsminor > $primary_minor))) { + $cancreate{$key} = 1; + } + } + } - if (&Apache::lonnet::allowed('ccc',$env{'request.role.domain'})) { &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; @@ -1232,9 +1400,10 @@ sub handler { ({href=>"/adm/createcourse", text=>"Creation Options", faq=>79,bug=>'Dom Coord Interface',}); - if (($env{'form.phase'} eq 'coursetwo') || - (($env{'form.phase'} eq 'grouptwo') && - ($show_all_choices))) { + if (($permission->{'create'}) && + (($env{'form.phase'} eq 'coursetwo') || + (($env{'form.phase'} eq 'grouptwo') && + ($cancreate{'Community'})))) { &Apache::lonhtmlcommon::add_breadcrumb ({href=>"/adm/createcourse?phase=$env{'form.prevphase'}", text=>&mt('[_1] Creation Settings',), @@ -1244,21 +1413,24 @@ sub handler { text=>"Creation Outcome", faq=>9,bug=>'Dom Coord Interface',}); &create_course($r); - } elsif (($env{'form.phase'} eq 'courseone') || - (($env{'form.phase'} eq 'groupone') && - ($show_all_choices))) { + } elsif (($permission->{'create'}) && + (($env{'form.phase'} eq 'courseone') || + (($env{'form.phase'} eq 'groupone') && + ($cancreate{'Community'})))) { &Apache::lonhtmlcommon::add_breadcrumb ({href=>"/adm/createcourse?phase=$env{'form.phase'}", text=>&mt('[_1] Creation Settings',), faq=>9,bug=>'Dom Coord Interface',}); &print_course_creation_page($r); - } elsif ($env{'form.phase'} eq 'batchone') { + } elsif (($permission->{'create'}) && + ($env{'form.phase'} eq 'batchone')) { &Apache::lonhtmlcommon::add_breadcrumb ({href=>"/adm/createcourse?phase=$env{'form.phase'}", text=>"Upload Description File", faq=>9,bug=>'Dom Coord Interface',}); &upload_batchfile($r); - } elsif ($env{'form.phase'} eq 'batchtwo') { + } elsif (($permission->{'create'}) && + ($env{'form.phase'} eq 'batchtwo')) { &Apache::lonhtmlcommon::add_breadcrumb ({href=>"/adm/createcourse?phase=$env{'form.prevphase'}", text=>"Upload Description File", @@ -1275,12 +1447,17 @@ sub handler { faq=>9,bug=>'Dom Coord Interface',}); my $js = &courserequestbrowser_javascript(); my $start_page=&Apache::loncommon::start_page('Display Requests',$js); - my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Display Requests','Course_Request',undef,'Course_Request'); + my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Display Requests','Course_Requests',undef,'Course_Requests'); + my $context = 'domain'; + unless ($permission->{'create'}) { + $context = 'helpdesk'; + } $r->print($start_page.$crumbs."\n".'
'. &Apache::loncoursequeueadmin::display_queued_requests( - 'domain',$env{'request.role.domain'}).'
'. + $context,$env{'request.role.domain'}).''. &Apache::loncommon::end_page()); - } elsif (($env{'form.phase'} eq 'requestchange') && ($show_all_choices)) { + } elsif (($permission->{'create'}) && + ($env{'form.phase'} eq 'requestchange') && ($show_all_choices)) { if ($env{'form.queue'} eq 'pending') { &Apache::lonhtmlcommon::add_breadcrumb ({href=>"/adm/createcourse?phase=pendingdisplay", @@ -1297,7 +1474,7 @@ sub handler { text=>&mt('[_1] Requests Updated',), faq=>9,bug=>'Dom Coord Interface',},); my $start_page=&Apache::loncommon::start_page('Update Requests Result'); - my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Requests Updated','Course_Request',undef,'Course_Request'); + my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Requests Updated','Course_Requests',undef,'Course_Requests'); $r->print($start_page.$crumbs."\n".'
'. &Apache::loncoursequeueadmin::update_request_queue( 'domain',$env{'request.role.domain'}).'
'. @@ -1309,12 +1486,17 @@ sub handler { faq=>9,bug=>'Dom Coord Interface',}); my $js = &courserequestbrowser_javascript(); my $start_page=&Apache::loncommon::start_page('Display Pending Queue',$js); - my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Display Pending Queue','Course_Request',undef,'Course_Request'); + my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Display Pending Queue','Course_Requests',undef,'Course_Requests'); + my $context = 'pending'; + unless ($permission->{'create'}) { + $context = 'displaypending'; + } $r->print($start_page.$crumbs."\n".'
'. &Apache::loncoursequeueadmin::display_queued_requests( - 'pending',$env{'request.role.domain'}).'
'. + $context,$env{'request.role.domain'}).''. &Apache::loncommon::end_page()); - } elsif (($env{'form.phase'} eq 'requestvalidation') && ($show_all_choices)) { + } elsif (($permission->{'create'}) && + ($env{'form.phase'} eq 'requestvalidation') && ($show_all_choices)) { my $js = &courserequestbrowser_javascript(); &Apache::lonhtmlcommon::add_breadcrumb ({href=>"/adm/createcourse?phase=pendingdisplay", @@ -1322,7 +1504,7 @@ sub handler { {href=>"/adm/createcourse?phase=requestvalidation", text=>&mt('Validation Attempted'),},); my $start_page=&Apache::loncommon::start_page('Requests Validation Result',$js); - my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Validation Attempted','Course_Request',undef,'Course_Request'); + my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Validation Attempted','Course_Requests',undef,'Course_Requests'); $r->print($start_page.$crumbs."\n".'
'. &Apache::loncoursequeueadmin::process_official_reqs('domain',$env{'request.role.domain'}).'
'. &Apache::loncommon::end_page()); @@ -1336,12 +1518,12 @@ sub handler { '// ]]>'."\n". ''; my $start_page=&Apache::loncommon::start_page('Course/Community Creation Logs',$js); - my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Created Courses/Communities','Creation_Log',undef,'Creation_Log'); + my $crumbs = &Apache::lonhtmlcommon::breadcrumbs('Created Courses/Communities','Course_Creation_Log',undef,'Course_Creation_Log'); $r->print($start_page.$crumbs."\n".'
'); &print_creation_logs($r); $r->print('
'.&Apache::loncommon::end_page()); } else { - &print_intro_page($r,$show_all_choices); + &print_intro_page($r,$show_all_choices,\%cancreate,$permission); } } else { $env{'user.error.msg'}= 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.