

In this case, the solution is to synchronize the two frequencies.

#19 /var/yii\base\Controller->runAction('render', Array) #18 /var/yii\base\InlineAction->runWithParams(Array) #17 /var/call_user_func_array(Array, Array) #16 : craft\controllers\TemplatesController->actionRender('/events/index', Array) #15 /var/craft\web\Controller->renderTemplate('/events/index', Array) #14 /var/craft\web\View->renderPageTemplate('/events/index', Array, 'site') #13 /var/craft\web\View->renderTemplate('/events/index', Array) #12 /var/Twig\Environment->render('/events/index', Array) #11 /var/Twig\TemplateWrapper->render(Array) #10 /var/Twig\Template->render(Array, Array) #8 /var/Twig\Template->displayWithErrorHandling(Array, Array) #6 /var/Twig\Template->display(Array, Array) #5 /var/Twig\Template->displayWithErrorHandling(Array, Array) #3 /var/Twig\Template->displayBlock('page_content', Array, Array) #1 /var/craft\helpers\Template::attribute(Object(craft\web\twig\Environment), Object(Twig\Source), NULL, 'one', Array, 'method') #0 /var/twig_get_attribute(Object(craft\web\twig\Environment), Object(Twig\Source), NULL, 'one', Array, 'method', false, false) Twig\Error\RuntimeError: Impossible to invoke a method ("one") on a null variable.
