参考資料エラーメッセージDatabricks のエラークラスCF_INTERNAL_ERRORエラー状態このページの見出しCF_INTERNAL_ERROR error condition SQLSTATE: 42000 Internal error. INVALID_STATE Auto Loader is in an invalid state. Please contact Databricks support for assistance. UNSUPPORTED_OPERATION <operation> is not supported for <feature>.