phacility/phabricator · error · Aphront400Response

400 Bad Request

Error message

400 Bad Request

What it means

Error "400 Bad Request" thrown in phacility/phabricator.

Source

Thrown at src/applications/conpherence/controller/ConpherenceViewController.php:30

  public function handleRequest(AphrontRequest $request) {
    $user = $request->getUser();

    $conpherence_id = $request->getURIData('id');
    if (!$conpherence_id) {
      return new Aphront404Response();
    }
    $query = id(new ConpherenceThreadQuery())
      ->setViewer($user)
      ->withIDs(array($conpherence_id))
      ->needProfileImage(true)
      ->needTransactions(true)
      ->setTransactionLimit($this->getMainQueryLimit());

    $before_transaction_id = $request->getInt('oldest_transaction_id');
    $after_transaction_id = $request->getInt('newest_transaction_id');
    $old_message_id = $request->getURIData('messageID');
    if ($before_transaction_id && ($old_message_id || $after_transaction_id)) {
      throw new Aphront400Response();
    }
    if ($old_message_id && $after_transaction_id) {
      throw new Aphront400Response();
    }

    $marker_type = 'older';
    if ($before_transaction_id) {
      $query
        ->setBeforeTransactionID($before_transaction_id);
    }
    if ($old_message_id) {
      $marker_type = 'olderandnewer';
      $query
        ->setAfterTransactionID($old_message_id - 1);
    }
    if ($after_transaction_id) {
      $marker_type = 'newer';
      $query

View on GitHub (pinned to 5720a38cfe)

When it happens

Trigger: Thrown at src/applications/conpherence/controller/ConpherenceViewController.php:30 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/63ecc351ac49d5f4. Report an issue: GitHub.