GuzzleHttp\Exception\ClientException: Client error: `GET https://api.vhs-connect.de/__blue/api/gp/courses/628-C-21BO58406/ical` resulted in a `404 Not Found` response in /home/web1221/vendor/guzzlehttp/guzzle/src/Exception/RequestException.php:113
Stack trace:
#0 /home/web1221/vendor/guzzlehttp/guzzle/src/Middleware.php(65): GuzzleHttp\Exception\RequestException::create()
#1 /home/web1221/vendor/guzzlehttp/promises/src/Promise.php(204): GuzzleHttp\Middleware::GuzzleHttp\{closure}()
#2 /home/web1221/vendor/guzzlehttp/promises/src/Promise.php(153): GuzzleHttp\Promise\Promise::callHandler()
#3 /home/web1221/vendor/guzzlehttp/promises/src/TaskQueue.php(48): GuzzleHttp\Promise\Promise::GuzzleHttp\Promise\{closure}()
#4 /home/web1221/vendor/guzzlehttp/promises/src/Promise.php(248): GuzzleHttp\Promise\TaskQueue->run()
#5 /home/web1221/vendor/guzzlehttp/promises/src/Promise.php(224): GuzzleHttp\Promise\Promise->invokeWaitFn()
#6 /home/web1221/vendor/guzzlehttp/promises/src/Promise.php(269): GuzzleHttp\Promise\Promise->waitIfPending()
#7 /home/web1221/vendor/guzzlehttp/promises/src/Promise.php(226): GuzzleHttp\Promise\Promise->invokeWaitList()
#8 /home/web1221/vendor/guzzlehttp/promises/src/Promise.php(62): GuzzleHttp\Promise\Promise->waitIfPending()
#9 /home/web1221/vendor/guzzlehttp/guzzle/src/Client.php(182): GuzzleHttp\Promise\Promise->wait()
#10 /home/web1221/html/typo3/sysext/core/Classes/Http/RequestFactory.php(55): GuzzleHttp\Client->request()
#11 /home/web1221/html/typo3conf/ext/itemkg_connect/Classes/Service/Api.php(517): TYPO3\CMS\Core\Http\RequestFactory->request()
#12 /home/web1221/html/typo3conf/ext/itemkg_connect/Classes/Service/Api.php(362): Itemkg\ItemkgConnect\Service\Api->request()
#13 /home/web1221/html/typo3conf/ext/itemkg_connect/Classes/Controller/CourseController.php(596): Itemkg\ItemkgConnect\Service\Api->getCourseIcal()
#14 /home/web1221/html/typo3/sysext/extbase/Classes/Mvc/Controller/ActionController.php(498): Itemkg\ItemkgConnect\Controller\CourseController->icalAction()
#15 /home/web1221/html/typo3/sysext/extbase/Classes/Mvc/Controller/ActionController.php(426): TYPO3\CMS\Extbase\Mvc\Controller\ActionController->callActionMethod()
#16 /home/web1221/html/typo3/sysext/extbase/Classes/Mvc/Dispatcher.php(89): TYPO3\CMS\Extbase\Mvc\Controller\ActionController->processRequest()
#17 /home/web1221/html/typo3/sysext/extbase/Classes/Mvc/Web/FrontendRequestHandler.php(66): TYPO3\CMS\Extbase\Mvc\Dispatcher->dispatch()
#18 /home/web1221/html/typo3/sysext/extbase/Classes/Core/Bootstrap.php(183): TYPO3\CMS\Extbase\Mvc\Web\FrontendRequestHandler->handleRequest()
#19 /home/web1221/html/typo3/sysext/extbase/Classes/Core/Bootstrap.php(173): TYPO3\CMS\Extbase\Core\Bootstrap->handleRequest()
#20 [internal function]: TYPO3\CMS\Extbase\Core\Bootstrap->run()
#21 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(5690): call_user_func_array()
#22 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/UserContentObject.php(43): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->callUserFunction()
#23 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(828): TYPO3\CMS\Frontend\ContentObject\UserContentObject->render()
#24 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(742): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->render()
#25 /home/web1221/html/typo3/sysext/fluid/Classes/ViewHelpers/CObjectViewHelper.php(193): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGetSingle()
#26 /home/web1221/html/typo3/sysext/fluid/Classes/ViewHelpers/CObjectViewHelper.php(170): TYPO3\CMS\Fluid\ViewHelpers\CObjectViewHelper::renderContentObject()
#27 /home/web1221/var/cache/code/fluid_template/Standard_action_list_dcfeed720a29419197fc8b9f947fdc1f754b9238.php(69): TYPO3\CMS\Fluid\ViewHelpers\CObjectViewHelper::renderStatic()
#28 /home/web1221/vendor/typo3fluid/fluid/src/View/AbstractTemplateView.php(260): Standard_action_list_dcfeed720a29419197fc8b9f947fdc1f754b9238->section_62bce9422ff2d14f69ab80a154510232fc8a9afd()
#29 /home/web1221/vendor/typo3fluid/fluid/src/ViewHelpers/RenderViewHelper.php(173): TYPO3Fluid\Fluid\View\AbstractTemplateView->renderSection()
#30 /home/web1221/var/cache/code/fluid_template/layout_Default_html_c0c502102c816f75badf157354a1204405a9d329.php(1953): TYPO3Fluid\Fluid\ViewHelpers\RenderViewHelper::renderStatic()
#31 /home/web1221/vendor/typo3fluid/fluid/src/Core/ViewHelper/AbstractConditionViewHelper.php(136): layout_Default_html_c0c502102c816f75badf157354a1204405a9d329->{closure}()
#32 /home/web1221/vendor/typo3fluid/fluid/src/Core/ViewHelper/AbstractConditionViewHelper.php(82): TYPO3Fluid\Fluid\Core\ViewHelper\AbstractConditionViewHelper::evaluateElseClosures()
#33 /home/web1221/var/cache/code/fluid_template/layout_Default_html_c0c502102c816f75badf157354a1204405a9d329.php(2116): TYPO3Fluid\Fluid\Core\ViewHelper\AbstractConditionViewHelper::renderStatic()
#34 /home/web1221/vendor/typo3fluid/fluid/src/ViewHelpers/SpacelessViewHelper.php(60): layout_Default_html_c0c502102c816f75badf157354a1204405a9d329->{closure}()
#35 /home/web1221/var/cache/code/fluid_template/layout_Default_html_c0c502102c816f75badf157354a1204405a9d329.php(2124): TYPO3Fluid\Fluid\ViewHelpers\SpacelessViewHelper::renderStatic()
#36 /home/web1221/vendor/typo3fluid/fluid/src/View/AbstractTemplateView.php(201): layout_Default_html_c0c502102c816f75badf157354a1204405a9d329->render()
#37 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/FluidTemplateContentObject.php(358): TYPO3Fluid\Fluid\View\AbstractTemplateView->render()
#38 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/FluidTemplateContentObject.php(108): TYPO3\CMS\Frontend\ContentObject\FluidTemplateContentObject->renderFluidView()
#39 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(828): TYPO3\CMS\Frontend\ContentObject\FluidTemplateContentObject->render()
#40 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(742): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->render()
#41 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(723): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGetSingle()
#42 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/CaseContentObject.php(47): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGetSingle()
#43 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(828): TYPO3\CMS\Frontend\ContentObject\CaseContentObject->render()
#44 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(742): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->render()
#45 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(723): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGetSingle()
#46 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentContentObject.php(95): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGetSingle()
#47 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(828): TYPO3\CMS\Frontend\ContentObject\ContentContentObject->render()
#48 /home/web1221/html/typo3conf/ext/frontend_editing/Classes/Hook/ContentObjectRendererHook.php(46): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->render()
#49 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(735): TYPO3\CMS\FrontendEditing\Hook\ContentObjectRendererHook->cObjGetSingleExt()
#50 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(687): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGetSingle()
#51 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectArrayContentObject.php(42): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGet()
#52 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(828): TYPO3\CMS\Frontend\ContentObject\ContentObjectArrayContentObject->render()
#53 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(742): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->render()
#54 /home/web1221/html/typo3/sysext/fluid/Classes/ViewHelpers/CObjectViewHelper.php(193): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGetSingle()
#55 /home/web1221/html/typo3/sysext/fluid/Classes/ViewHelpers/CObjectViewHelper.php(170): TYPO3\CMS\Fluid\ViewHelpers\CObjectViewHelper::renderContentObject()
#56 /home/web1221/var/cache/code/fluid_template/Standard_action_default_79b7ec0094d0a8c9e4a2ea23adebf46c61be3104.php(130): TYPO3\CMS\Fluid\ViewHelpers\CObjectViewHelper::renderStatic()
#57 /home/web1221/vendor/typo3fluid/fluid/src/View/AbstractTemplateView.php(260): Standard_action_default_79b7ec0094d0a8c9e4a2ea23adebf46c61be3104->section_62bce9422ff2d14f69ab80a154510232fc8a9afd()
#58 /home/web1221/vendor/typo3fluid/fluid/src/ViewHelpers/RenderViewHelper.php(173): TYPO3Fluid\Fluid\View\AbstractTemplateView->renderSection()
#59 /home/web1221/var/cache/code/fluid_template/layout_Default_html_e6c9987065417b32574f15456c5228c3108e5277.php(229): TYPO3Fluid\Fluid\ViewHelpers\RenderViewHelper::renderStatic()
#60 /home/web1221/vendor/typo3fluid/fluid/src/ViewHelpers/SpacelessViewHelper.php(60): layout_Default_html_e6c9987065417b32574f15456c5228c3108e5277->{closure}()
#61 /home/web1221/var/cache/code/fluid_template/layout_Default_html_e6c9987065417b32574f15456c5228c3108e5277.php(420): TYPO3Fluid\Fluid\ViewHelpers\SpacelessViewHelper::renderStatic()
#62 /home/web1221/vendor/typo3fluid/fluid/src/View/AbstractTemplateView.php(201): layout_Default_html_e6c9987065417b32574f15456c5228c3108e5277->render()
#63 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/FluidTemplateContentObject.php(358): TYPO3Fluid\Fluid\View\AbstractTemplateView->render()
#64 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/FluidTemplateContentObject.php(108): TYPO3\CMS\Frontend\ContentObject\FluidTemplateContentObject->renderFluidView()
#65 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(828): TYPO3\CMS\Frontend\ContentObject\FluidTemplateContentObject->render()
#66 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(742): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->render()
#67 /home/web1221/html/typo3/sysext/frontend/Classes/ContentObject/ContentObjectRenderer.php(687): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGetSingle()
#68 /home/web1221/html/typo3/sysext/frontend/Classes/Http/RequestHandler.php(231): TYPO3\CMS\Frontend\ContentObject\ContentObjectRenderer->cObjGet()
#69 /home/web1221/html/typo3/sysext/frontend/Classes/Http/RequestHandler.php(197): TYPO3\CMS\Frontend\Http\RequestHandler->generatePageBodyContent()
#70 /home/web1221/html/typo3/sysext/frontend/Classes/Http/RequestHandler.php(133): TYPO3\CMS\Frontend\Http\RequestHandler->generatePageContent()
#71 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/OutputCompression.php(48): TYPO3\CMS\Frontend\Http\RequestHandler->handle()
#72 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\OutputCompression->process()
#73 /home/web1221/html/typo3/sysext/adminpanel/Classes/Middleware/AdminPanelDataPersister.php(45): class@anonymous->handle()
#74 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Adminpanel\Middleware\AdminPanelDataPersister->process()
#75 /home/web1221/html/typo3/sysext/adminpanel/Classes/Middleware/AdminPanelRenderer.php(47): class@anonymous->handle()
#76 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Adminpanel\Middleware\AdminPanelRenderer->process()
#77 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/ContentLengthResponseHeader.php(47): class@anonymous->handle()
#78 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\ContentLengthResponseHeader->process()
#79 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/ShortcutAndMountPointRedirect.php(69): class@anonymous->handle()
#80 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\ShortcutAndMountPointRedirect->process()
#81 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/PrepareTypoScriptFrontendRendering.php(86): class@anonymous->handle()
#82 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\PrepareTypoScriptFrontendRendering->process()
#83 /home/web1221/html/typo3conf/ext/frontend_editing/Classes/Middleware/FrontendEditingAspect.php(51): class@anonymous->handle()
#84 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\FrontendEditing\Middleware\FrontendEditingAspect->process()
#85 /home/web1221/html/typo3conf/ext/frontend_editing/Classes/Middleware/FrontendEditingInitiator.php(46): class@anonymous->handle()
#86 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\FrontendEditing\Middleware\FrontendEditingInitiator->process()
#87 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/TypoScriptFrontendInitialization.php(108): class@anonymous->handle()
#88 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\TypoScriptFrontendInitialization->process()
#89 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/PageArgumentValidator.php(131): class@anonymous->handle()
#90 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\PageArgumentValidator->process()
#91 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/PreviewSimulator.php(66): class@anonymous->handle()
#92 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\PreviewSimulator->process()
#93 /home/web1221/html/typo3/sysext/adminpanel/Classes/Middleware/SqlLogging.php(58): class@anonymous->handle()
#94 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Adminpanel\Middleware\SqlLogging->process()
#95 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/PageResolver.php(106): class@anonymous->handle()
#96 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\PageResolver->process()
#97 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/StaticRouteResolver.php(80): class@anonymous->handle()
#98 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\StaticRouteResolver->process()
#99 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/SiteBaseRedirectResolver.php(94): class@anonymous->handle()
#100 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\SiteBaseRedirectResolver->process()
#101 /home/web1221/html/typo3/sysext/redirects/Classes/Http/Middleware/RedirectHandler.php(81): class@anonymous->handle()
#102 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Redirects\Http\Middleware\RedirectHandler->process()
#103 /home/web1221/html/typo3/sysext/adminpanel/Classes/Middleware/AdminPanelInitiator.php(55): class@anonymous->handle()
#104 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Adminpanel\Middleware\AdminPanelInitiator->process()
#105 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/FrontendUserAuthenticator.php(77): class@anonymous->handle()
#106 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\FrontendUserAuthenticator->process()
#107 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/MaintenanceMode.php(55): class@anonymous->handle()
#108 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\MaintenanceMode->process()
#109 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/EidHandler.php(64): class@anonymous->handle()
#110 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\EidHandler->process()
#111 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/BackendUserAuthenticator.php(66): class@anonymous->handle()
#112 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\BackendUserAuthenticator->process()
#113 /home/web1221/html/typo3conf/ext/itemkg_connect/Classes/Middleware/ImageMiddleware.php(28): class@anonymous->handle()
#114 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): Itemkg\ItemkgConnect\Middleware\ImageMiddleware->process()
#115 /home/web1221/html/typo3conf/ext/itemkg_connect/Classes/Middleware/ProxyMiddleware.php(32): class@anonymous->handle()
#116 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): Itemkg\ItemkgConnect\Middleware\ProxyMiddleware->process()
#117 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/SiteResolver.php(65): class@anonymous->handle()
#118 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\SiteResolver->process()
#119 /home/web1221/html/typo3/sysext/core/Classes/Middleware/NormalizedParamsAttribute.php(45): class@anonymous->handle()
#120 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Core\Middleware\NormalizedParamsAttribute->process()
#121 /home/web1221/html/typo3/sysext/frontend/Classes/Middleware/TimeTrackerInitialization.php(58): class@anonymous->handle()
#122 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(172): TYPO3\CMS\Frontend\Middleware\TimeTrackerInitialization->process()
#123 /home/web1221/html/typo3/sysext/core/Classes/Http/MiddlewareDispatcher.php(78): class@anonymous->handle()
#124 /home/web1221/html/typo3/sysext/core/Classes/Http/AbstractApplication.php(85): TYPO3\CMS\Core\Http\MiddlewareDispatcher->handle()
#125 /home/web1221/html/typo3/sysext/frontend/Classes/Http/Application.php(69): TYPO3\CMS\Core\Http\AbstractApplication->handle()
#126 /home/web1221/html/typo3/sysext/core/Classes/Http/AbstractApplication.php(97): TYPO3\CMS\Frontend\Http\Application->handle()
#127 /home/web1221/html/index.php(25): TYPO3\CMS\Core\Http\AbstractApplication->run()
#128 /home/web1221/html/index.php(26): {closure}()
#129 {main}