phacility/phabricator · error · Exception

Attempting to use a panel in a way that requires an implemen

Error message

Attempting to use a panel in a way that requires an implementation, but the panel implementation ("%s") is unknown.

What it means

Error "Attempting to use a panel in a way that requires an implementation, but the panel implementation ("%s") is unknown." thrown in phacility/phabricator.

Source

Thrown at src/applications/dashboard/storage/PhabricatorDashboardPanel.php:96

    $statuses =
      array(
        '' => pht('(All Panels)'),
        'active' => pht('Active Panels'),
        'archived' => pht('Archived Panels'),
      );
    return $statuses;
  }

  public function getImplementation() {
    return idx(
      PhabricatorDashboardPanelType::getAllPanelTypes(),
      $this->getPanelType());
  }

  public function requireImplementation() {
    $impl = $this->getImplementation();
    if (!$impl) {
      throw new Exception(
        pht(
          'Attempting to use a panel in a way that requires an '.
          'implementation, but the panel implementation ("%s") is unknown.',
          $this->getPanelType()));
    }
    return $impl;
  }

  public function getEditEngineFields() {
    return $this->requireImplementation()->getEditEngineFields($this);
  }

  public function newHeaderEditActions(
    PhabricatorUser $viewer,
    $context_phid) {
    return $this->requireImplementation()->newHeaderEditActions(
      $this,
      $viewer,

View on GitHub (pinned to 5720a38cfe)

When it happens

Trigger: Thrown at src/applications/dashboard/storage/PhabricatorDashboardPanel.php:96 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/57e5bcc873eecede. Report an issue: GitHub.