Fatal error: Uncaught Exception: DateTime::__construct(): Failed to parse time string (-tools-01) at position 0 (-): Unexpected character in /var/lib/dokuwiki/plugins/monthcal/syntax.php:207 Stack trace: #0 /var/lib/dokuwiki/plugins/monthcal/syntax.php(207): DateTime->__construct() #1 /var/lib/dokuwiki/plugins/monthcal/syntax.php(188): syntax_plugin_monthcal->create_calendar() #2 /usr/share/webapps/dokuwiki/core/inc/parser/renderer.php(111): syntax_plugin_monthcal->render() #3 /usr/share/webapps/dokuwiki/core/inc/parserutils.php(654): Doku_Renderer->plugin() #4 /usr/share/webapps/dokuwiki/core/inc/parserutils.php(130): p_render() #5 /usr/share/webapps/dokuwiki/core/inc/parserutils.php(83): p_cached_output() #6 /usr/share/webapps/dokuwiki/core/inc/html.php(293): p_wiki_xhtml() #7 /usr/share/webapps/dokuwiki/core/inc/Action/Show.php(33): html_show() #8 /usr/share/webapps/dokuwiki/core/inc/template.php(98): dokuwiki\Action\Show->tplContent() #9 /usr/share/webapps/dokuwiki/core/inc/events.php(111): tpl_content_core() #10 /usr in /var/lib/dokuwiki/plugins/monthcal/syntax.php on line 207