How To Fix AQ138 - InfoSet names must be different

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 138

• Message text: InfoSet names must be different

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 AQ138 - InfoSet names must be different ?

  The SAP error message AQ138, which states "InfoSet names must be different," typically occurs when you are trying to create or modify an InfoSet in SAP and the name you are attempting to use is already in use by another InfoSet. This error is common in the context of SAP Query (SQ01) or when working with InfoSets in the SAP Business Warehouse (BW).
  Cause:
  
  Duplicate InfoSet Name: The primary cause of this error is that the name you are trying to assign to a new InfoSet already exists in the system.
  Namespace Conflicts: If you are working in a development environment, there may be conflicts with naming conventions or reserved names.
  
  Solution:
  
  Choose a Unique Name: The simplest solution is to select a different name for your InfoSet that does not conflict with existing names. Ensure that the name is unique within the context of your SAP system.
  Check Existing InfoSets: Before creating a new InfoSet, check the list of existing InfoSets to see if the name you want to use is already taken. You can do this by navigating to the InfoSet management transaction (e.g., SQ02) and reviewing the list of InfoSets.
  Modify Existing InfoSet: If you intended to modify an existing InfoSet, ensure you are accessing the correct one rather than trying to create a new one with the same name.
  Use Naming Conventions: Implement a naming convention that includes prefixes or suffixes to help differentiate InfoSets, especially in larger systems where many InfoSets may exist.
  
  Related Information:
  
  Transaction Codes: The error may occur in transactions like SQ02 (InfoSet Query) or when working with BW InfoSets.
  Documentation: Refer to SAP Help documentation for more details on InfoSets and naming conventions.
  SAP Notes: Check SAP Notes for any specific issues or updates related to InfoSets and naming conflicts.
  System Administration: If you are an administrator, consider reviewing the system's InfoSet management practices to prevent future conflicts.
  
  By following these steps, you should be able to resolve the AQ138 error and successfully create or modify your InfoSet in SAP.