diff --git a/app/Factories/ImageFactory.php b/app/Factories/ImageFactory.php
index 0fef92eb790..5dda4f8b6b0 100644
--- a/app/Factories/ImageFactory.php
+++ b/app/Factories/ImageFactory.php
@@ -34,6 +34,7 @@
 use Intervention\Image\ImageManager;
 use League\Flysystem\FilesystemException;
 use League\Flysystem\FilesystemOperator;
+use League\Flysystem\UnableToReadFile;
 use Psr\Http\Message\ResponseInterface;
 use RuntimeException;
 use Throwable;
@@ -41,6 +42,7 @@
 use function addcslashes;
 use function basename;
 use function extension_loaded;
+use function get_class;
 use function pathinfo;
 use function response;
 use function strlen;
@@ -132,11 +134,11 @@ public function thumbnailResponse(
             return $this->imageResponse($data, $image->mime(), '');
         } catch (NotReadableException $ex) {
             return $this->replacementImageResponse('.' . pathinfo($path, PATHINFO_EXTENSION));
-        } catch (FileNotFoundException $ex) {
+        } catch (UnableToReadFile $ex) {
             return $this->replacementImageResponse((string) StatusCodeInterface::STATUS_NOT_FOUND);
         } catch (Throwable $ex) {
             return $this->replacementImageResponse((string) StatusCodeInterface::STATUS_INTERNAL_SERVER_ERROR)
-                ->withHeader('X-Thumbnail-Exception', $ex->getMessage());
+                ->withHeader('X-Thumbnail-Exception', basename(get_class($ex)) . ': ' . $ex->getMessage());
         }
     }
 
@@ -176,7 +178,7 @@ public function mediaFileResponse(MediaFile $media_file, bool $add_watermark, bo
         } catch (NotReadableException $ex) {
             return $this->replacementImageResponse(pathinfo($filename, PATHINFO_EXTENSION))
                 ->withHeader('X-Image-Exception', $ex->getMessage());
-        } catch (FileNotFoundException $ex) {
+        } catch (UnableToReadFile $ex) {
             return $this->replacementImageResponse((string) StatusCodeInterface::STATUS_NOT_FOUND);
         } catch (Throwable $ex) {
             return $this->replacementImageResponse((string) StatusCodeInterface::STATUS_INTERNAL_SERVER_ERROR)
@@ -244,11 +246,11 @@ public function mediaFileThumbnailResponse(
             return $this->imageResponse($data, $mime_type, '');
         } catch (NotReadableException $ex) {
             return $this->replacementImageResponse('.' . pathinfo($path, PATHINFO_EXTENSION));
-        } catch (FileNotFoundException $ex) {
+        } catch (UnableToReadFile $ex) {
             return $this->replacementImageResponse((string) StatusCodeInterface::STATUS_NOT_FOUND);
         } catch (Throwable $ex) {
             return $this->replacementImageResponse((string) StatusCodeInterface::STATUS_INTERNAL_SERVER_ERROR)
-                ->withHeader('X-Thumbnail-Exception', $ex->getMessage());
+                ->withHeader('X-Thumbnail-Exception', basename(get_class($ex)) . ': ' . $ex->getMessage());
         }
     }
 
diff --git a/app/Http/RequestHandlers/EditMediaFileAction.php b/app/Http/RequestHandlers/EditMediaFileAction.php
index e40556d72ea..c52924e52e6 100644
--- a/app/Http/RequestHandlers/EditMediaFileAction.php
+++ b/app/Http/RequestHandlers/EditMediaFileAction.php
@@ -27,8 +27,7 @@
 use Fisharebest\Webtrees\Services\MediaFileService;
 use Fisharebest\Webtrees\Services\PendingChangesService;
 use Fisharebest\Webtrees\Tree;
-use League\Flysystem\FileExistsException;
-use League\Flysystem\FileNotFoundException;
+use League\Flysystem\UnableToReadFile;
 use League\Flysystem\FilesystemException;
 use League\Flysystem\UnableToMoveFile;
 use League\Flysystem\Util;
diff --git a/app/Http/RequestHandlers/ManageMediaData.php b/app/Http/RequestHandlers/ManageMediaData.php
index edacbb208b7..2f25eefc371 100644
--- a/app/Http/RequestHandlers/ManageMediaData.php
+++ b/app/Http/RequestHandlers/ManageMediaData.php
@@ -32,6 +32,7 @@
 use Illuminate\Database\Query\Expression;
 use Illuminate\Database\Query\JoinClause;
 use League\Flysystem\FilesystemOperator;
+use League\Flysystem\UnableToReadFile;
 use League\Flysystem\UnableToRetrieveMetadata;
 use Psr\Http\Message\ResponseInterface;
 use Psr\Http\Message\ServerRequestInterface;
@@ -128,7 +129,7 @@ public function handle(ServerRequestInterface $request): ResponseInterface
 
                 $url = route(AdminMediaFileDownload::class, ['path' => $path]);
                 $img = '<a href="' . e($url) . '" type="' . $mime_type . '" class="gallery">' . $img . '</a>';
-            } catch (FileNotFoundException $ex) {
+            } catch (UnableToReadFile $ex) {
                 $url = route(AdminMediaFileThumbnail::class, ['path' => $path]);
                 $img = '<img src="' . e($url) . '">';
             }
diff --git a/app/Services/ServerCheckService.php b/app/Services/ServerCheckService.php
index c46f7aa3bcd..07c8a8cf191 100644
--- a/app/Services/ServerCheckService.php
+++ b/app/Services/ServerCheckService.php
@@ -51,10 +51,9 @@ class ServerCheckService
     private const PHP_SUPPORT_URL   = 'https://www.php.net/supported-versions.php';
     private const PHP_MINOR_VERSION = PHP_MAJOR_VERSION . '.' . PHP_MINOR_VERSION;
     private const PHP_SUPPORT_DATES = [
-        '7.1' => '2019-12-01',
-        '7.2' => '2020-11-30',
         '7.3' => '2021-12-06',
         '7.4' => '2022-11-28',
+        '8.0' => '2023-11-26',
     ];
 
     // As required by illuminate/database 5.8