phacility/phabricator · error · Exception

Unknown action: %s

Error message

Unknown action: %s

What it means

Error "Unknown action: %s" thrown in phacility/phabricator.

Source

Thrown at src/applications/conpherence/controller/ConpherenceUpdateController.php:117

          if (!$request->isContinueRequest()) {
            // do nothing; we'll display a confirmation dialog instead
            break;
          }
          $person_phid = $request->getStr('remove_person');
          if ($person_phid) {
            $xactions[] = id(new ConpherenceTransaction())
              ->setTransactionType(
                ConpherenceThreadParticipantsTransaction::TRANSACTIONTYPE)
              ->setNewValue(array('-' => array($person_phid)));
            $response_mode = 'go-home';
          }
          break;
        case ConpherenceUpdateActions::LOAD:
          $updated = false;
          $response_mode = 'ajax';
          break;
        default:
          throw new Exception(pht('Unknown action: %s', $action));
          break;
      }

      if ($xactions) {
        try {
          $xactions = $editor->applyTransactions($conpherence, $xactions);
          if ($delete_draft) {
            $draft = PhabricatorDraft::newFromUserAndKey(
              $user,
              $conpherence->getPHID());
            $draft->delete();
          }
        } catch (PhabricatorApplicationTransactionNoEffectException $ex) {
          return id(new PhabricatorApplicationTransactionNoEffectResponse())
            ->setCancelURI($this->getApplicationURI($conpherence_id.'/'))
            ->setException($ex);
        }
        // xactions had no effect...!

View on GitHub (pinned to 5720a38cfe)

When it happens

Trigger: Thrown at src/applications/conpherence/controller/ConpherenceUpdateController.php:117 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/7ed7d1e857fa1d0b. Report an issue: GitHub.