---
title: "MSSQLSERVER_10502 | Microsoft Docs"
ms.custom: ""
ms.date: "04/04/2017"
ms.prod: sql
ms.reviewer: ""
ms.technology: supportability
ms.topic: "language-reference"
helpviewer_keywords: 
  - "10502 (Database Engine error)"
ms.assetid: 26d9b64d-4299-4b55-92d0-0a32a3688c0a
author: MashaMSFT
ms.author: mathoma
---
# MSSQLSERVER_10502
[!INCLUDE[appliesto-ss-xxxx-xxxx-xxx-md](../../includes/appliesto-ss-xxxx-xxxx-xxx-md.md)]
  
## Details  
  
|||  
|-|-|  
|Product Name|SQL Server|  
|Event ID|10502|  
|Event Source|MSSQLSERVER|  
|Component|SQLEngine|  
|Symbolic Name|PG_DUP_FOUND|  
|Message Text|Cannot create plan guide '%.*ls' because the statement specified by @stmt and @module_or_batch, or by @plan_handle and @statement_start_offset, matches the existing plan guide '%.\*ls' in the database. Drop the existing plan guide before creating the new plan guide.|  
  
## Explanation  
A plan guide exists for the specified statement.  
  
## User Action  
Drop the existing plan guide before creating the new plan guide.  
  
## See Also  
[Plan Guides](~/relational-databases/performance/plan-guides.md)  
[sp_create_plan_guide (Transact-SQL)](~/relational-databases/system-stored-procedures/sp-create-plan-guide-transact-sql.md)  
[sp_create_plan_guide_from_handle (Transact-SQL)](~/relational-databases/system-stored-procedures/sp-create-plan-guide-from-handle-transact-sql.md)