Error "3 arguments are required, 2 given"

Hi,When I try to configure the freshly installed eventbooking under "Configuration", the error message "3 arguments are required, 2 given" appears. After activating the debugging mode, the following errors are displayed. Can anyone provide me with a solution to this issue? 

Regards
kueppersCall stack#FunctionLocation1()JROOT/libraries/src/Language/Text.php:2832sprintf()JROOT/libraries/src/Language/Text.php:2833Joomla\CMS\Language\Text::sprintf()JROOT/plugins/editors/codemirror/layouts/editors/codemirror/element.php:674include()JROOT/libraries/src/Layout/FileLayout.php:1285Joomla\CMS\Layout\FileLayout->render()JROOT/libraries/src/Layout/LayoutHelper.php:766Joomla\CMS\Layout\LayoutHelper::render()JROOT/plugins/editors/codemirror/codemirror.php:2687PlgEditorCodemirror->onDisplay()JROOT/libraries/src/Editor/Editor.php:1948Joomla\CMS\Editor\Editor->display()JROOT/administrator/components/com_eventbooking/view/configuration/tmpl/default_custom_css.php:409include()JROOT/administrator/components/com_eventbooking/libraries/rad/view/html.php:29310RADViewHtml->loadTemplate()JROOT/administrator/components/com_eventbooking/view/configuration/tmpl/default.php:11211include()JROOT/administrator/components/com_eventbooking/libraries/rad/view/html.php:26412RADViewHtml->render()JROOT/administrator/components/com_eventbooking/libraries/rad/view/html.php:14913RADViewHtml->display()JROOT/administrator/components/com_eventbooking/view/configuration/html.php:107714EventbookingViewConfigurationHtml->display()JROOT/administrator/components/com_eventbooking/libraries/rad/controller/controller.php:33515RADController->display()JROOT/administrator/components/com_eventbooking/controller/controller.php:4216EventbookingController->display()JROOT/administrator/components/com_eventbooking/libraries/rad/controller/controller.php:28517RADController->execute()JROOT/administrator/components/com_eventbooking/eventbooking.php:4518require_once()JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:7119Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}()JROOT/libraries/src/Dispatcher/LegacyComponentDispatcher.php:7320Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch()JROOT/libraries/src/Component/ComponentHelper.php:35521Joomla\CMS\Component\ComponentHelper::renderComponent()JROOT/libraries/src/Application/AdministratorApplication.php:14322Joomla\CMS\Application\AdministratorApplication->dispatch()JROOT/libraries/src/Application/AdministratorApplication.php:18623Joomla\CMS\Application\AdministratorApplication->doExecute()JROOT/libraries/src/Application/CMSApplication.php:29424Joomla\CMS\Application\CMSApplication->execute()JROOT/administrator/includes/app.php:6125require_once()JROOT/administrator/index.php:32
 

Sorry, the copied error table of the debugging mode has changed its position and is hardly to read. I have made a screenshot and attached it.