^ Symfony\Component\Filesystem\Exception\FileNotFoundException {#754
  #message: "File /data/remote/core/filesystem/pdf//645/615439753.pdf could not be found."
  #code: 0
  #file: "/data/web/fileserver.core.ac.uk/project/src/FilesBundle/Utils/ServeFile.php"
  #line: 32
  -path: null
  trace: {
    /data/web/fileserver.core.ac.uk/project/src/FilesBundle/Utils/ServeFile.php:32 {
      FilesBundle\Utils\ServeFile->sendFile($attachment = false) …
      › if (!file_exists($this->path)) {
      ›     throw new \Symfony\Component\Filesystem\Exception\FileNotFoundException("File " . $this->path . " could not be found.");
      › }
    }
    /data/web/fileserver.core.ac.uk/project/src/FilesBundle/Controller/FullTextController.php:110 {
      FilesBundle\Controller\FullTextController->sendFile(Request $request, $path, $attachment = false) …
      ›     $serveFile = new \FilesBundle\Utils\ServeFile($request, $path);
      ›     return $serveFile->sendFile($attachment);
      › }
    }
    /data/web/fileserver.core.ac.uk/project/src/FilesBundle/Controller/FullTextController.php:84 {
      FilesBundle\Controller\FullTextController->downloadFullTextAction(Request $request, $docId, $ext) …
      ›             /* @var $request BinaryFileResponse */
      ›             $response = $this->sendFile($request, $articleDownloadData['finalPath'], $attachment);
      › \t    // set the cannonical link
    }
    /data/web/fileserver.core.ac.uk/project/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php:169 {
      Symfony\Component\HttpKernel\HttpKernel->handleRaw(Request $request, int $type = self::MASTER_REQUEST): Response …
      › // call controller
      › $response = $controller(...$arguments);
      › 
    }
    /data/web/fileserver.core.ac.uk/project/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/HttpKernel.php:81 {
      Symfony\Component\HttpKernel\HttpKernel->handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true) …
      › try {
      ›     return $this->handleRaw($request, $type);
      › } catch (\Exception $e) {
    }
    /data/web/fileserver.core.ac.uk/project/vendor/symfony/symfony/src/Symfony/Component/HttpKernel/Kernel.php:201 {
      Symfony\Component\HttpKernel\Kernel->handle(Request $request, $type = HttpKernelInterface::MASTER_REQUEST, $catch = true) …
      › try {
      ›     return $this->getHttpKernel()->handle($request, $type, $catch);
      › } finally {
    }
    /data/web/fileserver.core.ac.uk/project/web/app.php:33 {
      › 
      › $response = $kernel->handle($request);
      › $response->send();
    }
  }
}