Page manager is WSOD

[CraigClark]

OP timer

https://openplus.monday.com/boards/4092908516/pulses/6373777439

---

On dv14 and in my local ddev instance, the page builder page is WSOD. The db I have in ddev was imported from dv4 yesterday.

see error

```txt The website encountered an unexpected error. Try again later. Symfony\Component\Routing\Exception\MissingMandatoryParametersException: Some mandatory parameters are missing ("machine_name", "step") to generate a URL for route "entity.page.devel_load". in Drupal\Core\Routing\UrlGenerator->doGenerate() (line 187 of core/lib/Drupal/Core/Routing/UrlGenerator.php). Drupal\Core\Routing\UrlGenerator->getInternalPathFromRoute('entity.page.devel_load', Object, Array, Array) (Line: 300) Drupal\Core\Routing\UrlGenerator->generateFromRoute('entity.page.devel_load', Array, Array, 1) (Line: 108) Drupal\Core\Render\MetadataBubblingUrlGenerator->generateFromRoute('entity.page.devel_load', Array, Array, 1) (Line: 765) Drupal\Core\Url->toString(1) (Line: 183) Drupal\Core\Utility\LinkGenerator->generate(Object, Object) (Line: 102) Drupal\Core\Render\Element\Link::preRenderLink(Array) call_user_func_array(Array, Array) (Line: 111) Drupal\Core\Render\Renderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements \Drupal\Core\Security\TrustedCallbackInterface or be an anonymous function. The callback was %s. See https://www.drupal.org/node/2966725', 'exception', 'Drupal\Core\Render\Element\RenderCallbackInterface') (Line: 859) Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 421) Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240) Drupal\Core\Render\Renderer->render(Array) (Line: 475) Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 77) __TwigTemplate_70548e625dc19d04317116e9b545a96f->doDisplay(Array, Array) (Line: 394) Twig\Template->displayWithErrorHandling(Array, Array) (Line: 367) Twig\Template->display(Array) (Line: 379) Twig\Template->render(Array) (Line: 38) Twig\TemplateWrapper->render(Array) (Line: 39) twig_render_template('core/modules/system/templates/links.html.twig', Array) (Line: 348) Drupal\Core\Theme\ThemeManager->render('links__dropbutton', Array) (Line: 480) Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240) Drupal\Core\Render\Renderer->render(Array) (Line: 475) Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 179) __TwigTemplate_2d824a63de95ccf3885cd4ecd39e3d91->doDisplay(Array, Array) (Line: 394) Twig\Template->displayWithErrorHandling(Array, Array) (Line: 367) Twig\Template->display(Array) (Line: 379) Twig\Template->render(Array) (Line: 38) Twig\TemplateWrapper->render(Array) (Line: 39) twig_render_template('core/themes/claro/templates/classy/dataset/table.html.twig', Array) (Line: 348) Drupal\Core\Theme\ThemeManager->render('table', Array) (Line: 480) Drupal\Core\Render\Renderer->doRender(Array) (Line: 493) Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 240) Drupal\Core\Render\Renderer->render(Array, ) (Line: 238) Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627) Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 239) Drupal\Core\Render\MainContent\HtmlRenderer->prepare(Array, Object, Object) (Line: 128) Drupal\Core\Render\MainContent\HtmlRenderer->renderResponse(Array, Object, Object) (Line: 90) Drupal\Core\EventSubscriber\MainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object) call_user_func(Array, Object, 'kernel.view', Object) (Line: 111) Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 186) Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 76) Symfony\Component\HttpKernel\HttpKernel->handle(Object, 1, 1) (Line: 58) Drupal\Core\StackMiddleware\Session->handle(Object, 1, 1) (Line: 48) Drupal\Core\StackMiddleware\KernelPreHandle->handle(Object, 1, 1) (Line: 28) Drupal\Core\StackMiddleware\ContentLength->handle(Object, 1, 1) (Line: 106) Drupal\page_cache\StackMiddleware\PageCache->pass(Object, 1, 1) (Line: 85) Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 270) Drupal\shield\ShieldMiddleware->bypass(Object, 1, 1) (Line: 226) Drupal\shield\ShieldMiddleware->handle(Object, 1, 1) (Line: 48) Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51) Drupal\Core\StackMiddleware\NegotiationMiddleware->handle(Object, 1, 1) (Line: 36) Drupal\Core\StackMiddleware\AjaxPageState->handle(Object, 1, 1) (Line: 51) Drupal\Core\StackMiddleware\StackedHttpKernel->handle(Object, 1, 1) (Line: 704) Drupal\Core\DrupalKernel->handle(Object) (Line: 19) ```

[CraigClark]

@lkmorlan in ddev, if I uninstall devel, I can get to page builder