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()
call_user_func_array() (Line: 308)
Drupal\Core\Theme\ThemeManager->render() (Line: 497)
Drupal\Core\Render\Renderer->doRender() (Line: 227)
Drupal\Core\Render\Renderer->render() (Line: 491)
Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 94)
__TwigTemplate_5762732d4ef766a4698f65f604feb077->block_content() (Line: 446)
Twig\Template->yieldBlock() (Line: 73)
__TwigTemplate_5762732d4ef766a4698f65f604feb077->doDisplay() (Line: 402)
Twig\Template->yield() (Line: 358)
Twig\Template->display() (Line: 373)
Twig\Template->render() (Line: 51)
Twig\TemplateWrapper->render() (Line: 34)
twig_render_template() (Line: 380)
Drupal\Core\Theme\ThemeManager->render() (Line: 497)
Drupal\Core\Render\Renderer->doRender() (Line: 510)
Drupal\Core\Render\Renderer->doRender() (Line: 227)
Drupal\Core\Render\Renderer->render() (Line: 491)
Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 425)
__TwigTemplate_7024adcf8650cad407c6e0fda29bd3b6->block_content() (Line: 446)
Twig\Template->yieldBlock() (Line: 94)
__TwigTemplate_7024adcf8650cad407c6e0fda29bd3b6->doDisplay() (Line: 402)
Twig\Template->yield() (Line: 358)
Twig\Template->display() (Line: 373)
Twig\Template->render() (Line: 51)
Twig\TemplateWrapper->render() (Line: 34)
twig_render_template() (Line: 380)
Drupal\Core\Theme\ThemeManager->render() (Line: 497)
Drupal\Core\Render\Renderer->doRender() (Line: 227)
Drupal\Core\Render\Renderer->render() (Line: 491)
Drupal\Core\Template\TwigExtension->escapeFilter() (Line: 89)
__TwigTemplate_dbef7788dcc11b9515cfd3767d3188c5->doDisplay() (Line: 402)
Twig\Template->yield() (Line: 358)
Twig\Template->display() (Line: 373)
Twig\Template->render() (Line: 51)
Twig\TemplateWrapper->render() (Line: 34)
twig_render_template() (Line: 380)
Drupal\Core\Theme\ThemeManager->render() (Line: 497)
Drupal\Core\Render\Renderer->doRender() (Line: 227)
Drupal\Core\Render\Renderer->render() (Line: 162)
Drupal\Core\Render\MainContent\HtmlRenderer->Drupal\Core\Render\MainContent\{closure}() (Line: 627)
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: 201)
Drupal\page_cache\StackMiddleware\PageCache->fetch() (Line: 138)
Drupal\page_cache\StackMiddleware\PageCache->lookup() (Line: 87)
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: 51)
Drupal\Core\StackMiddleware\StackedHttpKernel->handle() (Line: 715)
Drupal\Core\DrupalKernel->handle() (Line: 19)