How To Fix RSQBW139 - Undoing local grouping before join...

SAP Error Message - Details

• Message type: E = Error

• Message class: RSQBW -

• Message number: 139

• Message text: Undoing local grouping before join...

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 RSQBW139 - Undoing local grouping before join... ?

  The SAP error message RSQBW139, which states "Undoing local grouping before join," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the way data is being processed in a query or during the execution of a data extraction process. This error is often related to the handling of aggregations and joins in the underlying data model.
  Cause:
  
  
  Incompatible Aggregation Levels: The error can occur when there are incompatible aggregation levels in the query. For example, if you are trying to join data from different InfoProviders that have different levels of granularity or aggregation, SAP BW may not be able to process the query correctly.
  
  
  Incorrect Query Design: The design of the query itself may be flawed, such as having too many local aggregations or groupings that cannot be reconciled before the join operation.
  
  
  Data Model Issues: There may be issues with the underlying data model, such as missing or incorrect relationships between InfoObjects or InfoProviders.
  
  
  Performance Issues: Sometimes, performance optimizations in the query can lead to this error if the system attempts to perform local aggregations that are not valid.
  
  
  Solution:
  
  
  Review Query Design: Check the design of the query in the Query Designer. Ensure that the InfoProviders being used are compatible in terms of aggregation levels. Simplifying the query or breaking it down into smaller parts may help.
  
  
  Adjust Aggregation Levels: Ensure that the aggregation levels of the InfoProviders being joined are compatible. You may need to adjust the settings in the InfoObjects or the InfoProviders to ensure they align correctly.
  
  
  Check Data Model: Review the underlying data model for any inconsistencies or issues. Ensure that all relationships between InfoObjects are correctly defined and that there are no missing links.
  
  
  Use Aggregates: If applicable, consider using aggregates to pre-aggregate data at the required levels before executing the query. This can help reduce the complexity of the query and avoid the error.
  
  
  Performance Tuning: If the error is related to performance, consider tuning the query by limiting the amount of data being processed or optimizing the joins and filters used in the query.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or updates that may address this specific error. There may be patches or updates that resolve known issues related to this error message.
  
  
  Related Information:
  
  SAP BW Documentation: Refer to the official SAP BW documentation for best practices on query design and performance optimization.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if you suspect it may be a bug or require deeper technical investigation.
  
  By following these steps, you should be able to identify the root cause of the RSQBW139 error and implement a suitable solution.