An Uncle Tobys product for 4-5 stars

Error message

Deprecated function: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated in uncletobys_preprocess_page_title() (line 77 of themes/custom/uncletobys/uncletobys.theme).

uncletobys_preprocess_page_title() (Line: 523)
Drupal\Core\Theme\ThemeManager->invoke() (Line: 311)
Drupal\Core\Theme\ThemeManager->Drupal\Core\Theme\{closure}() (Line: 340)
Drupal\Core\Theme\ThemeManager->render() (Line: 500)
Drupal\Core\Render\Renderer->doRender() (Line: 230)
Drupal\Core\Render\Renderer->render() (Line: 501)
Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 93)
__TwigTemplate_1fad2608384561e1d16aae6ee9bd4070->block_content() (Line: 456)
Twig\Template->yieldBlock() (Line: 72)
__TwigTemplate_1fad2608384561e1d16aae6ee9bd4070->doDisplay() (Line: 411)
Twig\Template->yield() (Line: 394)
Twig\Template->render() (Line: 51)
Twig\TemplateWrapper->render() (Line: 35)
Drupal\Core\Template\TwigThemeEngine->renderTemplate() (Line: 428)
Drupal\Core\Theme\ThemeManager->render() (Line: 500)
Drupal\Core\Render\Renderer->doRender() (Line: 513)
Drupal\Core\Render\Renderer->doRender() (Line: 230)
Drupal\Core\Render\Renderer->render() (Line: 501)
Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 424)
__TwigTemplate_747a3d8f37051f09deb5ef4b575ea77f->block_content() (Line: 456)
Twig\Template->yieldBlock() (Line: 93)
__TwigTemplate_747a3d8f37051f09deb5ef4b575ea77f->doDisplay() (Line: 411)
Twig\Template->yield() (Line: 394)
Twig\Template->render() (Line: 51)
Twig\TemplateWrapper->render() (Line: 35)
Drupal\Core\Template\TwigThemeEngine->renderTemplate() (Line: 428)
Drupal\Core\Theme\ThemeManager->render() (Line: 500)
Drupal\Core\Render\Renderer->doRender() (Line: 230)
Drupal\Core\Render\Renderer->render() (Line: 501)
Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 88)
__TwigTemplate_50775a96fd17a8c369c8a2163143179d->doDisplay() (Line: 411)
Twig\Template->yield() (Line: 394)
Twig\Template->render() (Line: 51)
Twig\TemplateWrapper->render() (Line: 35)
Drupal\Core\Template\TwigThemeEngine->renderTemplate() (Line: 428)
Drupal\Core\Theme\ThemeManager->render() (Line: 500)
Drupal\Core\Render\Renderer->doRender() (Line: 230)
Drupal\Core\Render\Renderer->render() (Line: 162)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 634)
Drupal\Core\Render\Renderer::Drupal\Core\Render\{closure}()
Fiber->resume() (Line: 649)
Drupal\Core\Render\Renderer->executeInRenderContext() (Line: 157)
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: 203)
Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 140)
Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 89)
Drupal\page_cache\StackMiddleware\PageCache->handle() (Line: 50)
Drupal\ban\BanMiddleware->handle() (Line: 48)
Drupal\Core\StackMiddleware\ReverseProxyMiddleware->handle() (Line: 51)
Drupal\Core\StackMiddleware\NegotiationMiddleware->handle() (Line: 53)
Drupal\Core\StackMiddleware\AjaxPageState->handle() (Line: 54)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 745)
Drupal\Core\DrupalKernel->handle() (Line: 19)