diff --git a/src/Imaging/ImageGenerator.php b/src/Imaging/ImageGenerator.php
index e347f0a1224..f5f9e50849c 100644
--- a/src/Imaging/ImageGenerator.php
+++ b/src/Imaging/ImageGenerator.php
@@ -3,6 +3,7 @@
 namespace Statamic\Imaging;
 
 use Facades\Statamic\Imaging\ImageValidator;
+use Illuminate\Support\Facades\Log;
 use Illuminate\Support\Facades\Storage;
 use League\Flysystem\Filesystem;
 use League\Flysystem\UnableToReadFile;
@@ -150,11 +151,17 @@ public function generateVideoThumbnail($asset, array $params)
     /**
      * Generate a manipulated image by an asset.
      *
-     * @param  \Statamic\Contracts\Assets\Asset  $asset
+     * @param  \Statamic\Contracts\Assets\Asset|null  $asset
      * @return mixed
      */
     public function generateByAsset($asset, array $params)
     {
+        if (! $asset) {
+            Log::error('Cannot generate an image for a missing asset.');
+
+            return '';
+        }
+
         if ($asset->isVideo() && ThumbnailExtractor::available()) {
             return $this->generateVideoThumbnail($asset, $params);
         }
diff --git a/src/Tags/Glide.php b/src/Tags/Glide.php
index 8b3bcd861d8..705f9aeaecf 100644
--- a/src/Tags/Glide.php
+++ b/src/Tags/Glide.php
@@ -177,7 +177,18 @@ private function generateImage($item)
                 : $this->getGenerator()->generateByPath($item, $params);
         }
 
-        return $this->getGenerator()->generateByAsset(Asset::find($item), $params);
+        $asset = Asset::find($item);
+
+        if (! $asset) {
+            // Thrown (rather than logged here directly) so the calling closure's
+            // existing catch (\Exception $e) { Log::error($e->getMessage()); }
+            // in generate() logs it with the identifying $item, instead of the
+            // flat, context-free message generateByAsset()'s own null-asset
+            // guard would otherwise produce.
+            throw new \Exception('Cannot generate an image for a missing asset: '.(is_string($item) ? $item : json_encode($item)));
+        }
+
+        return $this->getGenerator()->generateByAsset($asset, $params);
     }
 
     /**
diff --git a/tests/Imaging/ImageGeneratorTest.php b/tests/Imaging/ImageGeneratorTest.php
index 4fa2c833d96..1b13295db2b 100644
--- a/tests/Imaging/ImageGeneratorTest.php
+++ b/tests/Imaging/ImageGeneratorTest.php
@@ -98,6 +98,12 @@ public function it_generates_an_image_by_asset()
         Event::assertDispatchedTimes(GlideImageGenerated::class, 1);
     }
 
+    #[Test]
+    public function it_does_not_generate_an_image_for_a_missing_asset()
+    {
+        $this->assertSame('', $this->makeGenerator()->generateByAsset(null, ['w' => 100]));
+    }
+
     #[Test]
     public function it_does_not_check_ffmpeg_availability_for_non_video_assets()
     {
diff --git a/tests/Tags/GlideTest.php b/tests/Tags/GlideTest.php
index 920aa24a253..1df330dce63 100644
--- a/tests/Tags/GlideTest.php
+++ b/tests/Tags/GlideTest.php
@@ -3,6 +3,7 @@
 namespace Tests\Tags;
 
 use Illuminate\Http\UploadedFile;
+use Illuminate\Support\Facades\Log;
 use Orchestra\Testbench\Attributes\DefineEnvironment;
 use PHPUnit\Framework\Attributes\Test;
 use Statamic\Facades\File;
@@ -11,6 +12,25 @@
 
 class GlideTest extends TestCase
 {
+    #[Test]
+    /**
+     * https://github.com/statamic/cms/pull/15447
+     */
+    public function it_logs_the_item_when_the_asset_cannot_be_resolved()
+    {
+        Log::shouldReceive('error')
+            ->once()
+            ->with(\Mockery::pattern('/Cannot generate an image for a missing asset.*nonexistent\.jpg/'));
+
+        $result = (string) Parse::template(
+            '{{ glide:foo width="100" }}',
+            ['foo' => 'nonexistent.jpg'],
+            trusted: true
+        );
+
+        $this->assertSame('', $result);
+    }
+
     #[Test]
     #[DefineEnvironment('relativeRouteUrl')]
     public function it_outputs_a_relative_url_by_default_when_the_glide_route_is_relative()