Error message
Warning: Undefined array key 0 in amp_entity_view_alter() (line 156 of modules/contrib/amp/amp.module).
amp_entity_view_alter(Array, Object, Object) (Line: 545)
DrupalCoreExtensionModuleHandler->alter('node_view', Array, Object, Object) (Line: 304)
DrupalCoreEntityEntityViewBuilder->buildMultiple(Array) (Line: 238)
DrupalCoreEntityEntityViewBuilder->build(Array)
call_user_func_array(Array, Array) (Line: 111)
DrupalCoreRenderRenderer->doTrustedCallback(Array, Array, 'Render #pre_render callbacks must be methods of a class that implements DrupalCoreSecurityTrustedCallbackInterface or be an anonymous function. The callback was %s. See https://www.drupal.org/node/2966725', 'exception', 'DrupalCoreRenderElementRenderCallbackInterface') (Line: 788)
DrupalCoreRenderRenderer->doCallback('#pre_render', Array, Array) (Line: 377)
DrupalCoreRenderRenderer->doRender(Array, ) (Line: 204)
DrupalCoreRenderRenderer->render(Array, ) (Line: 238)
DrupalCoreRenderMainContentHtmlRenderer->DrupalCoreRenderMainContent{closure}() (Line: 583)
DrupalCoreRenderRenderer->executeInRenderContext(Object, Object) (Line: 239)
DrupalCoreRenderMainContentHtmlRenderer->prepare(Array, Object, Object) (Line: 128)
DrupalCoreRenderMainContentHtmlRenderer->renderResponse(Array, Object, Object) (Line: 90)
DrupalCoreEventSubscriberMainContentViewSubscriber->onViewRenderArray(Object, 'kernel.view', Object)
call_user_func(Array, Object, 'kernel.view', Object) (Line: 111)
DrupalComponentEventDispatcherContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 187)
SymfonyComponentHttpKernelHttpKernel->handleRaw(Object, 1) (Line: 76)
SymfonyComponentHttpKernelHttpKernel->handle(Object, 1, 1) (Line: 58)
DrupalCoreStackMiddlewareSession->handle(Object, 1, 1) (Line: 48)
DrupalCoreStackMiddlewareKernelPreHandle->handle(Object, 1, 1) (Line: 191)
Drupalpage_cacheStackMiddlewarePageCache->fetch(Object, 1, 1) (Line: 128)
Drupalpage_cacheStackMiddlewarePageCache->lookup(Object, 1, 1) (Line: 82)
Drupalpage_cacheStackMiddlewarePageCache->handle(Object, 1, 1) (Line: 48)
DrupalCoreStackMiddlewareReverseProxyMiddleware->handle(Object, 1, 1) (Line: 51)
DrupalCoreStackMiddlewareNegotiationMiddleware->handle(Object, 1, 1) (Line: 51)
DrupalCoreStackMiddlewareStackedHttpKernel->handle(Object, 1, 1) (Line: 704)
DrupalCoreDrupalKernel->handle(Object) (Line: 18)
