From b36c208cc2b14b2ac0a26d6900e7ce0e46a2bda7 Mon Sep 17 00:00:00 2001
From: Barry Fisher <34511-reallifedesign@users.noreply.drupalcode.org>
Date: Fri, 23 Sep 2022 23:40:53 +0500
Subject: [PATCH] Issue #3260248 by Barry_Fisher: BlockViewBuilder error
 prevents cron from running when called from CLI

---
 src/View/BlockViewBuilder.php | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/View/BlockViewBuilder.php b/src/View/BlockViewBuilder.php
index 440d83d..fd1545c 100644
--- a/src/View/BlockViewBuilder.php
+++ b/src/View/BlockViewBuilder.php
@@ -121,9 +121,14 @@ class BlockViewBuilder {
     if ($access->isAllowed()) {
       // Title block needs a special treatment.
       if ($block_plugin instanceof TitleBlockPluginInterface) {
-        $request = $this->requestStack->getCurrentRequest();
-        $title = $this->titleResolver->getTitle($request, $this->routeMatch->getRouteObject());
-        $block_plugin->setTitle($title);
+        // Account for the scenario that a NullRouteMatch is returned. This, for
+        // example, is the case when Search API is indexing the site during
+        // Drush cron.
+        if ($route = $this->routeMatch->getRouteObject()) {
+          $request = $this->requestStack->getCurrentRequest();
+          $title = $this->titleResolver->getTitle($request, $route);
+          $block_plugin->setTitle($title);
+        }
       }
 
       // Place the content returned by the block plugin into a 'content' child