Create event in debug mode:
0 Call to a member function rp_id() on null
/var/www/html/
http://hvezdarnajicin.cz/administrator/components/com_jevents/controllers/icalevent.php:1037
Call stack
# Function Location
1 () JROOT/administrator/components/com_jevents/controllers/icalevent.php:1037
2 AdminIcaleventController->apply() JROOT/libraries/src/MVC/Controller/BaseController.php:710
3 Joomla\CMS\MVC\Controller\BaseController->execute() JROOT/administrator/components/com_jevents/jevents.php:200
4 require_once() JROOT/libraries/src/Component/ComponentHelper.php:402
5 Joomla\CMS\Component\ComponentHelper::executeComponent() JROOT/libraries/src/Component/ComponentHelper.php:377
6 Joomla\CMS\Component\ComponentHelper::renderComponent() JROOT/libraries/src/Application/AdministratorApplication.php:101
7 Joomla\CMS\Application\AdministratorApplication->dispatch() JROOT/libraries/src/Application/AdministratorApplication.php:159
8 Joomla\CMS\Application\AdministratorApplication->doExecute() JROOT/libraries/src/Application/CMSApplication.php:196
9 Joomla\CMS\Application\CMSApplication->execute() JROOT/administrator/index.php:51