I tried a little more and get this error. Do you have any idea?
2022-04-17T19:48:56+00:00 INFO 2003:d8:9f10:cc00:41e1:4945:f2fc:e6f2 controller Holding edit ID com_sermonspeaker.edit.frontendupload.454 Array ( [0] => 454 )
2022-04-17T19:48:56+00:00 INFO 2003:d8:9f10:cc00:41e1:4945:f2fc:e6f2 controller Checking edit ID com_sermonspeaker.edit.frontendupload.10: 0 Array ( [0] => 454 )
2022-04-17T19:48:57+00:00 CRITICAL 2003:d8:9f10:cc00:41e1:4945:f2fc:e6f2 error Uncaught Throwable of type Exception thrown with message "View nicht gefunden [Name, Typ, Präfix]: main, html, sermonspeakerView". Stack trace: #0 [ROOT]/libraries/src/MVC/Controller/BaseController.php(646): Joomla\CMS\MVC\Controller\BaseController->getView('main', 'html', 'sermonspeakerVi...', Array)
#1 [ROOT]/components/com_sermonspeaker/controller.php(137): Joomla\CMS\MVC\Controller\BaseController->display(false, Array)
#2 [ROOT]/libraries/src/MVC/Controller/BaseController.php(735): SermonspeakerController->display()
#3 [ROOT]/components/com_sermonspeaker/sermonspeaker.php(41): Joomla\CMS\MVC\Controller\BaseController->execute('')
#4 [ROOT]/libraries/src/Dispatcher/LegacyComponentDispatcher.php(69): require_once('/mnt/web409/a3/...')
#5 [ROOT]/libraries/src/Dispatcher/LegacyComponentDispatcher.php(71): Joomla\CMS\Dispatcher\LegacyComponentDispatcher::Joomla\CMS\Dispatcher\{closure}('/mnt/web409/a3/...')
#6 [ROOT]/libraries/src/Component/ComponentHelper.php(389): Joomla\CMS\Dispatcher\LegacyComponentDispatcher->dispatch()
#7 [ROOT]/libraries/src/Application/SiteApplication.php(204): Joomla\CMS\Component\ComponentHelper::renderComponent('com_sermonspeak...')
#8 [ROOT]/libraries/src/Application/SiteApplication.php(243): Joomla\CMS\Application\SiteApplication->dispatch()
#9 [ROOT]/libraries/src/Application/CMSApplication.php(278): Joomla\CMS\Application\SiteApplication->doExecute()
#10 [ROOT]/includes/app.php(63): Joomla\CMS\Application\CMSApplication->execute()
#11 [ROOT]/index.php(32): require_once('/mnt/web409/a3/...')
#12 {main}