#0 /home/keplerclasses/public_html/lib/moodlelib.php(7525): require_once()
#1 /home/keplerclasses/public_html/lib/moodlelib.php(7458): component_callback_exists('core_blog', 'core_blog_befor...')
#2 /home/keplerclasses/public_html/lib/classes/hook/output/before_standard_top_of_body_html_generation.php(79): component_callback('blog', 'before_standard...', Array, '', true)
#3 /home/keplerclasses/public_html/lib/classes/output/core_renderer.php(309): core\hook\output\before_standard_top_of_body_html_generation->process_legacy_callbacks()
#4 /home/keplerclasses/public_html/lib/mustache/src/Mustache/Context.php(219): core\output\core_renderer->standard_top_of_body_html()
#5 /home/keplerclasses/public_html/lib/mustache/src/Mustache/Context.php(138): Mustache_Context->findVariableInStack('standard_top_of...', Array)
#6 /home/keplerclasses/moodledata/localcache/mustache/1770913605/boost/__Mustache_43c0038b93d4d80bd2fd212f6027adba.php(30): Mustache_Context->findDot('output.standard...')
#7 /home/keplerclasses/public_html/lib/mustache/src/Mustache/Template.php(66): __Mustache_43c0038b93d4d80bd2fd212f6027adba->renderInternal(Object(Mustache_Context))
#8 /home/keplerclasses/public_html/lib/classes/output/renderer_base.php(192): Mustache_Template->render(Array)
#9 /home/keplerclasses/public_html/theme/boost/layout/drawers.php(107): core\output\renderer_base->render_from_template('theme_boost/dra...', Array)
#10 /home/keplerclasses/public_html/lib/classes/output/core_renderer.php(959): include('/home/keplercla...')
#11 /home/keplerclasses/public_html/lib/classes/output/core_renderer.php(875): core\output\core_renderer->render_page_layout('/home/keplercla...')
#12 /home/keplerclasses/public_html/calendar/view.php(158): core\output\core_renderer->header()