--- title: "LOCALDB_ERROR_UNKNOWN_ERROR_CODE | Microsoft Docs" ms.custom: "" ms.date: "03/04/2017" ms.prod: sql ms.reviewer: "" ms.technology: performance ms.topic: "reference" ms.assetid: 8f8472b6-e6fc-44f3-82c7-25f127461fa8 author: "stevestein" ms.author: "sstein" --- # LOCALDB_ERROR_UNKNOWN_ERROR_CODE [!INCLUDE[appliesto-ss-xxxx-xxxx-xxx-md](../../includes/appliesto-ss-xxxx-xxxx-xxx-md.md)] ## Details ||| |-|-| |Product Name|SQL Server| |Event ID|272| |Event Source|SQL Server Local Database Runtime 12.0| |Component|Local Database Runtime API| |Message Text|Error getting the localized error message. The specified error code is unknown.| ## Explanation The requested error code is unknown. ## User Action Check if the specified error code is correct.