phacility/phabricator · error · Exception

Field "data_base64" must be non-empty.

Error message

Field "data_base64" must be non-empty.

What it means

Error "Field "data_base64" must be non-empty." thrown in phacility/phabricator.

Source

Thrown at src/applications/files/conduit/FileUploadConduitAPIMethod.php:35

      'viewPolicy' => 'optional valid policy string or <phid>',
      'canCDN' => 'optional bool',
    );
  }

  protected function defineReturnType() {
    return 'nonempty guid';
  }

  protected function execute(ConduitAPIRequest $request) {
    $viewer = $request->getUser();

    $name = $request->getValue('name');
    $can_cdn = (bool)$request->getValue('canCDN');
    $view_policy = $request->getValue('viewPolicy');

    $data = $request->getValue('data_base64');
    if ($data === null) {
      throw new Exception(pht('Field "data_base64" must be non-empty.'));
    }
    $data = $this->decodeBase64($data);

    $params = array(
      'authorPHID' => $viewer->getPHID(),
      'canCDN' => $can_cdn,
      'isExplicitUpload' => true,
    );

    if ($name !== null) {
      $params['name'] = $name;
    }

    if ($view_policy !== null) {
      $params['viewPolicy'] = $view_policy;
    }

    $file = PhabricatorFile::newFromFileData($data, $params);

View on GitHub (pinned to 5720a38cfe)

When it happens

Trigger: Thrown at src/applications/files/conduit/FileUploadConduitAPIMethod.php:35 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of phacility/phabricator@5720a38cfe (2026-08-21). Data as JSON: /api/errors/005de7118bcf53b7. Report an issue: GitHub.