{"record":{"id":"7ed7d1e857fa1d0b","repo":"phacility/phabricator","slug":"unknown-action-s","errorCode":null,"errorMessage":"Unknown action: %s","messagePattern":"Unknown action: (.+?)","errorType":"validation","errorClass":"Exception","httpStatus":500,"severity":"error","filePath":"src/applications/conpherence/controller/ConpherenceUpdateController.php","lineNumber":117,"sourceCode":"          if (!$request->isContinueRequest()) {\n            // do nothing; we'll display a confirmation dialog instead\n            break;\n          }\n          $person_phid = $request->getStr('remove_person');\n          if ($person_phid) {\n            $xactions[] = id(new ConpherenceTransaction())\n              ->setTransactionType(\n                ConpherenceThreadParticipantsTransaction::TRANSACTIONTYPE)\n              ->setNewValue(array('-' => array($person_phid)));\n            $response_mode = 'go-home';\n          }\n          break;\n        case ConpherenceUpdateActions::LOAD:\n          $updated = false;\n          $response_mode = 'ajax';\n          break;\n        default:\n          throw new Exception(pht('Unknown action: %s', $action));\n          break;\n      }\n\n      if ($xactions) {\n        try {\n          $xactions = $editor->applyTransactions($conpherence, $xactions);\n          if ($delete_draft) {\n            $draft = PhabricatorDraft::newFromUserAndKey(\n              $user,\n              $conpherence->getPHID());\n            $draft->delete();\n          }\n        } catch (PhabricatorApplicationTransactionNoEffectException $ex) {\n          return id(new PhabricatorApplicationTransactionNoEffectResponse())\n            ->setCancelURI($this->getApplicationURI($conpherence_id.'/'))\n            ->setException($ex);\n        }\n        // xactions had no effect...!","sourceCodeStart":99,"sourceCodeEnd":135,"githubUrl":"https://github.com/phacility/phabricator/blob/5720a38cfe95b00ca4be5016dd0d2f3195f4fa04/src/applications/conpherence/controller/ConpherenceUpdateController.php#L99-L135","documentation":"Error \"Unknown action: %s\" thrown in phacility/phabricator.","triggerScenarios":"Thrown at src/applications/conpherence/controller/ConpherenceUpdateController.php:117 when the library encounters an invalid state.","commonSituations":"See trigger scenarios.","solutions":[],"exampleFix":null,"handlingStrategy":null,"validationCode":null,"typeGuard":null,"tryCatchPattern":null,"preventionTips":[],"tags":[],"backgroundTag":null,"analyzedSha":"5720a38cfe95b00ca4be5016dd0d2f3195f4fa04","analyzedAt":"2026-08-21T05:07:25.672Z","schemaVersion":2},"datasetVersion":"2026-08-21T11:28:35.574Z"}