{"record":{"id":"8be0f5ba351cb349","repo":"octobercms/october","slug":"missing-configuration-for-manage-this-managemo","errorCode":null,"errorMessage":"Missing configuration for [manage.{$this->manageMode}] in RelationController definition [{$this->field}].","messagePattern":"Missing configuration for \\[manage\\.(.+?)\\] in RelationController definition \\[(.+?)\\]\\.","errorType":"exception","errorClass":"ApplicationException","httpStatus":null,"severity":"error","filePath":"modules/backend/behaviors/relationcontroller/HasManageMode.php","lineNumber":241,"sourceCode":"        $config->parentFieldName = $this->field;\n\n        $widget = $this->makeWidget(FormWidget::class, $config);\n\n        return $widget;\n    }\n\n    /**\n     * onRelationManageForm\n     */\n    public function onRelationManageForm()\n    {\n        // The form should not share its session key with the parent\n        $this->bumpSessionKeys = true;\n\n        $this->beforeAjax();\n\n        if ($this->manageMode === 'form' && !$this->manageFormWidget) {\n            throw new ApplicationException(\"Missing configuration for [manage.{$this->manageMode}] in RelationController definition [{$this->field}].\");\n        }\n\n        if ($this->manageMode !== 'form' && !$this->manageListWidget) {\n            throw new ApplicationException(\"Missing configuration for [manage.{$this->manageMode}] in RelationController definition [{$this->field}].\");\n        }\n\n        // Updating an existing record\n        if ($this->manageMode === 'pivot' && ($this->manageId || $this->pivotId)) {\n            return $this->onRelationManagePivotForm();\n        }\n\n        $this->vars['newSessionKey'] = $this->sessionKey;\n\n        return $this->relationMakePartial('manage_' . $this->manageMode);\n    }\n\n    /**\n     * onRelationManageCreate a new related model","sourceCodeStart":223,"sourceCodeEnd":259,"githubUrl":"https://github.com/octobercms/october/blob/b608633a7e8922487d91a8161499020121c3b3bf/modules/backend/behaviors/relationcontroller/HasManageMode.php#L223-L259","documentation":"Error \"Missing configuration for [manage.{$this->manageMode}] in RelationController definition [{$this->field}].\" thrown in octobercms/october.","triggerScenarios":"Thrown at modules/backend/behaviors/relationcontroller/HasManageMode.php:241 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":"b608633a7e8922487d91a8161499020121c3b3bf","analyzedAt":"2026-08-21T04:24:57.515Z","schemaVersion":2},"datasetVersion":"2026-08-21T11:28:35.574Z"}