Error message

Deprecated function: Return type of Drupal\entity\QueryAccess\ConditionGroup::count() should either be compatible with Countable::count(): int, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in include() (line 36 of modules/entity/src/QueryAccess/ConditionGroup.php).

include('/var/www/drupal/web/modules/entity/src/QueryAccess/ConditionGroup.php') (Line: 571)
Composer\Autoload\includeFile('/var/www/drupal/web/modules/entity/src/QueryAccess/ConditionGroup.php') (Line: 428)
Composer\Autoload\ClassLoader->loadClass('Drupal\entity\QueryAccess\ConditionGroup') (Line: 74)
Drupal\entity\QueryAccess\EventOnlyQueryAccessHandler->getConditions('view') (Line: 123)
Drupal\entity\QueryAccess\ViewsQueryAlter->alter(Object, Object) (Line: 166)
entity_views_query_alter(Object, Object)
call_user_func_array(Object, Array) (Line: 426)
Drupal\Core\Extension\ModuleHandler->Drupal\Core\Extension\{closure}(Object, 'entity') (Line: 405)
Drupal\Core\Extension\ModuleHandler->invokeAllWith('views_query_alter', Object) (Line: 433)
Drupal\Core\Extension\ModuleHandler->invokeAll('views_query_alter', Array) (Line: 1444)
Drupal\views\Plugin\views\query\Sql->alter(Object) (Line: 1321)
Drupal\views\ViewExecutable->build(NULL) (Line: 1396)
Drupal\views\ViewExecutable->execute(NULL) (Line: 1459)
Drupal\views\ViewExecutable->render() (Line: 131)
Drupal\views\Plugin\views\display\Block->execute() (Line: 1635)
Drupal\views\ViewExecutable->executeDisplay('block_1', Array) (Line: 81)
Drupal\views\Element\View::preRenderViewElement(Array) (Line: 59)
Drupal\views\Plugin\Block\ViewsBlock->build() (Line: 171)
Drupal\block\BlockViewBuilder::preRender(Array)
call_user_func_array(Array, Array) (Line: 101)
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: 788)
Drupal\Core\Render\Renderer->doCallback('#pre_render', Array, Array) (Line: 374)
Drupal\Core\Render\Renderer->doRender(Array) (Line: 446)
Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 204)
Drupal\Core\Render\Renderer->render(Array) (Line: 479)
Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 381)
__TwigTemplate_2c5b94bd93759bb21ebc20952a032517->block_parallax_4(Array, Array) (Line: 182)
Twig\Template->displayBlock('parallax_4', Array, Array) (Line: 229)
__TwigTemplate_2c5b94bd93759bb21ebc20952a032517->doDisplay(Array, Array) (Line: 405)
Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
Twig\Template->display(Array) (Line: 390)
Twig\Template->render(Array) (Line: 55)
twig_render_template('themes/bootstrap_subtheme/templates/page.html.twig', Array) (Line: 384)
Drupal\Core\Theme\ThemeManager->render('page', Array) (Line: 433)
Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 204)
Drupal\Core\Render\Renderer->render(Array) (Line: 479)
Drupal\Core\Template\TwigExtension->escapeFilter(Object, Array, 'html', NULL, 1) (Line: 120)
__TwigTemplate_c6eaa2f8e191ee2ce07a7036d9bab3b5->doDisplay(Array, Array) (Line: 405)
Twig\Template->displayWithErrorHandling(Array, Array) (Line: 378)
Twig\Template->display(Array) (Line: 390)
Twig\Template->render(Array) (Line: 55)
twig_render_template('themes/bootstrap_subtheme/templates/html.html.twig', Array) (Line: 384)
Drupal\Core\Theme\ThemeManager->render('html', Array) (Line: 433)
Drupal\Core\Render\Renderer->doRender(Array, ) (Line: 204)
Drupal\Core\Render\Renderer->render(Array) (Line: 162)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 580)
Drupal\Core\Render\Renderer->executeInRenderContext(Object, Object) (Line: 163)
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: 142)
Drupal\Component\EventDispatcher\ContainerAwareEventDispatcher->dispatch(Object, 'kernel.view') (Line: 163)
Symfony\Component\HttpKernel\HttpKernel->handleRaw(Object, 1) (Line: 80)
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: 191)
Drupal\page_cache\StackMiddleware\PageCache->fetch(Object, 1, 1) (Line: 128)
Drupal\page_cache\StackMiddleware\PageCache->lookup(Object, 1, 1) (Line: 82)
Drupal\page_cache\StackMiddleware\PageCache->handle(Object, 1, 1) (Line: 44)
Drupal\services\StackMiddleware\FormatSetter->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: 23)
Stack\StackedHttpKernel->handle(Object, 1, 1) (Line: 718)
Drupal\Core\DrupalKernel->handle(Object) (Line: 19)