How To Fix MCW_AA_AT015 - A selection variable has not been maintained for query &1 of method &2.

SAP Error Message - Details

• Message type: E = Error

• Message class: MCW_AA_AT - Messages for Allocation Rule Generation Based on BW

• Message number: 015

• Message text: A selection variable has not been maintained for query &1 of method &2.

What causes this issue?

You have chosen generation for any merchandise category hierarchy.
The query called to generate the allocation rule must, in this case,
determine the required key figures based on either merchandise category
data or material data.
In customizing 'Maintaining Query Components for Analytical
Applications' one of these selection options must be maintained.
For selecting merchandise categories, the field 'Field name in OLTP
(R/3)' must be supplied with the contents of '&V2&' (corresponding
field in SAP BW is 0S_MATG, for example).
For selecting materials, the field 'Field name in OLTP (R/3)' must be
supplied with the contents of '&V4&' (corresponding field in SAP BW is
0S_MAT, for example).
In customizing for the query, no corresponding entry could be
determined.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

If you have the necessary authorization, maintain the data accordingly
(transaction MCW_AA), otherwise notify your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MCW_AA_AT015 - A selection variable has not been maintained for query &1 of method &2. ?

  The SAP error message MCW_AA_AT015 indicates that a selection variable has not been maintained for a specific query in the context of the method being used. This error typically arises in the context of SAP BW (Business Warehouse) or SAP Analytics, where queries are defined and executed.
  Cause:
  The error occurs when:
  
  A query is executed that requires a selection variable, but that variable has not been defined or maintained in the query settings.
  The query is trying to filter data based on a selection variable that is expected to be provided but is missing.
  
  Solution:
  To resolve this error, you can follow these steps:
  
  
  Check Query Definition:
  
  Go to the Query Designer in SAP BW.
  Open the query that is causing the error (identified by the query name in the error message).
  Check the selection variables defined for the query.
  
  
  
  Maintain Selection Variables:
  
  If a selection variable is required but not maintained, you need to create or maintain it.
  Ensure that the selection variable is properly defined with the necessary characteristics and values.
  
  
  
  Validate Query Execution:
  
  After maintaining the selection variable, save the query and try executing it again to see if the error persists.
  
  
  
  Check Authorization:
  
  Ensure that the user executing the query has the necessary authorizations to access the selection variable and the data it filters.
  
  
  
  Consult Documentation:
  
  If you are unsure about how to maintain selection variables, refer to SAP documentation or help resources specific to your version of SAP BW or Analytics.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums where other users may have encountered similar issues and can provide insights or solutions.
  Training and Documentation: Consider reviewing training materials or documentation related to SAP BW query design and execution to better understand how selection variables work.
  
  By following these steps, you should be able to resolve the error and successfully execute your query.