How To Fix AQV186 - A parameter with this name has already been defined

SAP Error Message - Details

• Message type: E = Error

• Message class: AQV - Message texts for SAP Query

• Message number: 186

• Message text: A parameter with this name has already been defined

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQV186 - A parameter with this name has already been defined ?

  The SAP error message AQV186, which states "A parameter with this name has already been defined," typically occurs in the context of ABAP programming or when defining parameters in various SAP transactions or configurations. This error indicates that there is a duplicate parameter name being used in the same context, which is not allowed.
  Cause:
  
  Duplicate Parameter Definition: The most common cause of this error is that a parameter with the same name has already been defined in the same program, function module, or method.
  Scope Issues: The parameter might be defined in a broader scope (like a global class or interface) and is being redefined in a local context.
  Inconsistent Naming: Sometimes, similar names can lead to confusion, and the system might interpret them as duplicates.
  
  Solution:
  
  Check Parameter Definitions: Review the code where the error occurs and check for any duplicate parameter definitions. Ensure that each parameter has a unique name within its scope.
  Rename Parameters: If you find duplicate parameters, consider renaming one of them to avoid the conflict.
  Use Unique Naming Conventions: Implement a naming convention that helps avoid such conflicts in the future. For example, prefixing parameter names with a module or function-specific identifier.
  Review Includes and Subroutines: If your code includes other files or subroutines, check those as well, as they might be defining the same parameter name.
  Check for Inherited Parameters: If you are working with classes, check if the parameter is inherited from a superclass or interface, which could lead to this error.
  
  Related Information:
  
  ABAP Development: This error is particularly relevant for ABAP developers. Understanding the scope and visibility of variables and parameters is crucial.
  SAP Documentation: Refer to SAP's official documentation or community forums for best practices in parameter naming and management.
  Debugging Tools: Use debugging tools in the ABAP Workbench to trace where the parameter is being defined and to identify the source of the conflict.
  
  By following these steps, you should be able to resolve the AQV186 error and prevent it from occurring in the future.