Problem/Motivation
I got two warnings right after installing this recipe.
Warning: Undefined array key "events_calendar.page_1" in Drupal\views\Plugin\Derivative\ViewsLocalTask->getDerivativeDefinitions() (line 82 of core/modules/views/src/Plugin/Derivative/ViewsLocalTask.php).
Drupal\views\Plugin\Derivative\ViewsLocalTask->getDerivativeDefinitions() (Line: 101)
Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator->getDerivatives() (Line: 87)
Drupal\Component\Plugin\Discovery\DerivativeDiscoveryDecorator->getDefinitions() (Line: 337)
Drupal\Core\Plugin\DefaultPluginManager->findDefinitions() (Line: 213)
Drupal\Core\Plugin\DefaultPluginManager->getDefinitions() (Line: 181)
Drupal\Core\Menu\LocalTaskManager->getDefinitions() (Line: 206)
Drupal\Core\Menu\LocalTaskManager->getLocalTasksForRoute() (Line: 290)
Drupal\Core\Menu\LocalTaskManager->getTasksBuild() (Line: 358)
Drupal\Core\Menu\LocalTaskManager->getLocalTasks() (Line: 106)
Drupal\Core\Menu\Plugin\Block\LocalTasksBlock->build() (Line: 171)
Drupal\block\BlockViewBuilder::preRender()
call_user_func_array() (Line: 107)
Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 825)
Drupal\Core\Render\Renderer->doCallback() (Line: 387)
Drupal\Core\Render\Renderer->doRender() (Line: 459)
Drupal\Core\Render\Renderer->doRender() (Line: 203)
Drupal\Core\Render\Renderer->render() (Line: 484)
Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 138)
__TwigTemplate_711538b2f80a50901aa8a2f23edbce47->doDisplay() (Line: 387)
Twig\Template->yield() (Line: 343)
Twig\Template->display() (Line: 358)
Twig\Template->render() (Line: 35)
Twig\TemplateWrapper->render() (Line: 33)
twig_render_template() (Line: 348)
Drupal\Core\Theme\ThemeManager->render() (Line: 446)
Drupal\Core\Render\Renderer->doRender() (Line: 203)
Drupal\Core\Render\Renderer->render() (Line: 484)
Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 92)
__TwigTemplate_5ee7ac6116f23e9d1225f222907e12e5->doDisplay() (Line: 387)
Twig\Template->yield() (Line: 343)
Twig\Template->display() (Line: 358)
Twig\Template->render() (Line: 35)
Twig\TemplateWrapper->render() (Line: 33)
twig_render_template() (Line: 348)
Drupal\Core\Theme\ThemeManager->render() (Line: 446)
Drupal\Core\Render\Renderer->doRender() (Line: 203)
Drupal\Core\Render\Renderer->render() (Line: 158)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 593)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 153)
Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90)
Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray() (Line: 246)
Symfony\Component\EventDispatcher\EventDispatcher::Symfony\Component\EventDispatcher\{closure}() (Line: 206)
Symfony\Component\EventDispatcher\EventDispatcher->callListeners() (Line: 56)
Symfony\Component\EventDispatcher\EventDispatcher->dispatch() (Line: 188)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32)
Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 116)
Drupal\page_cache\StackMiddleware\PageCache->pass() (Line: 90)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 709)
Drupal\Core\DrupalKernel->handle() (Line: 19)
Warning: Undefined array key "events_calendar.page_1" in Drupal\views\Plugin\Derivative\ViewsLocalTask->alterLocalTasks() (line 122 of core/modules/views/src/Plugin/Derivative/ViewsLocalTask.php).
Drupal\views\Plugin\Derivative\ViewsLocalTask->alterLocalTasks() (Line: 365)
Drupal\views\Hook\ViewsHooks->localTasksAlter() (Line: 459)
Drupal\Core\Extension\ModuleHandler->alter() (Line: 386)
Drupal\Core\Plugin\DefaultPluginManager->alterDefinitions() (Line: 341)
Drupal\Core\Plugin\DefaultPluginManager->findDefinitions() (Line: 213)
Drupal\Core\Plugin\DefaultPluginManager->getDefinitions() (Line: 181)
Drupal\Core\Menu\LocalTaskManager->getDefinitions() (Line: 206)
Drupal\Core\Menu\LocalTaskManager->getLocalTasksForRoute() (Line: 290)
Drupal\Core\Menu\LocalTaskManager->getTasksBuild() (Line: 358)
Drupal\Core\Menu\LocalTaskManager->getLocalTasks() (Line: 106)
Drupal\Core\Menu\Plugin\Block\LocalTasksBlock->build() (Line: 171)
Drupal\block\BlockViewBuilder::preRender()
call_user_func_array() (Line: 107)
Drupal\Core\Render\Renderer->doTrustedCallback() (Line: 825)
Drupal\Core\Render\Renderer->doCallback() (Line: 387)
Drupal\Core\Render\Renderer->doRender() (Line: 459)
Drupal\Core\Render\Renderer->doRender() (Line: 203)
Drupal\Core\Render\Renderer->render() (Line: 484)
Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 138)
__TwigTemplate_711538b2f80a50901aa8a2f23edbce47->doDisplay() (Line: 387)
Twig\Template->yield() (Line: 343)
Twig\Template->display() (Line: 358)
Twig\Template->render() (Line: 35)
Twig\TemplateWrapper->render() (Line: 33)
twig_render_template() (Line: 348)
Drupal\Core\Theme\ThemeManager->render() (Line: 446)
Drupal\Core\Render\Renderer->doRender() (Line: 203)
Drupal\Core\Render\Renderer->render() (Line: 484)
Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 92)
__TwigTemplate_5ee7ac6116f23e9d1225f222907e12e5->doDisplay() (Line: 387)
Twig\Template->yield() (Line: 343)
Twig\Template->display() (Line: 358)
Twig\Template->render() (Line: 35)
Twig\TemplateWrapper->render() (Line: 33)
twig_render_template() (Line: 348)
Drupal\Core\Theme\ThemeManager->render() (Line: 446)
Drupal\Core\Render\Renderer->doRender() (Line: 203)
Drupal\Core\Render\Renderer->render() (Line: 158)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 593)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 153)
Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse() (Line: 90)
Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray() (Line: 246)
Symfony\Component\EventDispatcher\EventDispatcher::Symfony\Component\EventDispatcher\{closure}() (Line: 206)
Symfony\Component\EventDispatcher\EventDispatcher->callListeners() (Line: 56)
Symfony\Component\EventDispatcher\EventDispatcher->dispatch() (Line: 188)
Symfony\Component\HttpKernel\HttpKernel->handleRaw() (Line: 76)
Symfony\Component\HttpKernel\HttpKernel->handle() (Line: 53)
Drupal\Core\StackMiddleware\Session->handle() (Line: 48)
Drupal\Core\StackMiddleware\KernelPreHandle->handle() (Line: 28)
Drupal\Core\StackMiddleware\ContentLength->handle() (Line: 32)
Drupal\big_pipe\StackMiddleware\ContentLength->handle() (Line: 116)
Drupal\page_cache\StackMiddleware\PageCache->pass() (Line: 90)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 36)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 709)
Drupal\Core\DrupalKernel->handle() (Line: 19)
Steps to reproduce
Install new instance of Drupal CMS - apply events_calendar recipe after applying events recipe.
See warnings go to /events/calendar and find page not found.
After going to /admin/structure/views and editing the calendar page and saving it it appears to work.
Proposed resolution
Have the page be properly created by the recipe.
Remaining tasks
User interface changes
API changes
Data model changes