Fatal error: Uncaught Error: Call to undefined method HallObject::getAllHalls() in /data/web/virtuals/137145/virtual/www/src/utils/markdown_utils.php:1867 Stack trace: #0 /data/web/virtuals/137145/virtual/www/src/utils/markdown_utils.php(1081): parsedownExtension->inlineSpanText(Array) #1 /data/web/virtuals/137145/virtual/www/src/utils/markdown_utils.php(1564): parsedown->line('{speaker:jarosl...', Array) #2 /data/web/virtuals/137145/virtual/www/src/utils/markdown_utils.php(299): parsedown->element(Array) #3 /data/web/virtuals/137145/virtual/www/src/utils/markdown_utils.php(2143): parsedown->lines(Array) #4 /data/web/virtuals/137145/virtual/www/src/utils/markdown_utils.php(196): parsedownExtension->blockPageSectionContinue(Array, Array) #5 /data/web/virtuals/137145/virtual/www/src/utils/markdown_utils.php(41): parsedown->lines(Array) #6 /data/web/virtuals/137145/virtual/www/src/utils/locale_utils.php(171): parsedown->text('% Workshops at ...') #7 /data/web/virtuals/137145/virtual/www/src/utils/locale_utils.php(176): tryReadContentOfMarkdownFile('pages', 'workshops') #8 /data/web/virtuals/137145/virtual/www/index.php(41): tryPrintMarkdownPage('workshops') #9 {main} thrown in /data/web/virtuals/137145/virtual/www/src/utils/markdown_utils.php on line 1867