How To Fix UMR051 - Calculate aggregation from '&1' to '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: UMR - Risk

• Message number: 051

• Message text: Calculate aggregation from '&1' to '&2'

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 UMR051 - Calculate aggregation from '&1' to '&2' ?

  The SAP error message UMR051, which states "Calculate aggregation from '&1' to '&2'," typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there is an issue with the aggregation levels in a query or data model. This error indicates that the system is unable to perform the required aggregation from one level of data to another, often due to mismatched characteristics or data inconsistencies.
  Causes:
  
  Mismatched Aggregation Levels: The error can occur if the query is trying to aggregate data from a higher level to a lower level without the necessary data or characteristics.
  Missing Data: If the data required for the aggregation is missing or not loaded properly, the system cannot perform the calculation.
  Incorrect Query Design: The query might be designed in a way that does not align with the underlying data model, leading to aggregation issues.
  Data Model Changes: Changes in the data model, such as modifications to InfoObjects or InfoProviders, can lead to inconsistencies that trigger this error.
  Hierarchy Issues: If the aggregation involves hierarchies, any issues with the hierarchy definitions can lead to this error.
  
  Solutions:
  
  Check Query Design: Review the query design in the Query Designer to ensure that the aggregation levels are correctly defined and that all necessary characteristics are included.
  Validate Data: Ensure that the data is loaded correctly into the InfoProvider. Check for any missing or incomplete data that might be causing the aggregation to fail.
  Adjust Aggregation Levels: If possible, adjust the aggregation levels in the query to ensure they match the data model and the available data.
  Review Hierarchies: If the query involves hierarchies, check the hierarchy definitions to ensure they are correctly set up and that there are no inconsistencies.
  Rebuild Aggregates: If you are using aggregates, consider rebuilding them to ensure they are up to date with the latest data model changes.
  Check for Data Model Changes: If there have been recent changes to the data model, ensure that all related objects are updated and consistent.
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to UMR051 for any specific patches or updates that may address this issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review SAP documentation on query design and aggregation to better understand how to structure your queries and data models.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with an SAP BW or HANA expert who can provide more tailored assistance based on your specific environment and configuration.