How To Fix >5189 - Aggregation key was not yet specified

SAP Error Message - Details

• Message type: E = Error

• Message class: >5 -

• Message number: 189

• Message text: Aggregation key was not yet specified

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 >5189 - Aggregation key was not yet specified ?

  The SAP error message "5189 Aggregation key was not yet specified" typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when working with data models, especially during the process of data extraction, transformation, or loading (ETL). This error indicates that the system is expecting an aggregation key to be defined, but it has not been provided.
  Cause:
  
  Missing Aggregation Key: The most common cause of this error is that the aggregation key has not been defined in the data model or the InfoProvider you are working with.
  Incorrect Configuration: There may be a misconfiguration in the data model or the InfoObject settings that leads to the aggregation key not being recognized.
  Data Source Issues: If the data source from which you are trying to load data does not have the necessary fields or keys defined, it can lead to this error.
  Transformation Rules: If the transformation rules do not specify how to aggregate the data, this error can occur.
  
  Solution:
  
  
  Define Aggregation Key: 
  
  Go to the relevant InfoObject or InfoProvider in the SAP BW system.
  Ensure that the aggregation key is defined correctly. This may involve specifying the key fields that should be used for aggregation.
  
  
  
  Check Data Source: 
  
  Verify that the data source you are using has the necessary fields defined. If not, you may need to adjust the data source or the extraction logic.
  
  
  
  Review Transformation Rules: 
  
  Check the transformation rules associated with the data load process. Ensure that the rules specify how to aggregate the data and that the aggregation key is included.
  
  
  
  Update Data Model: 
  
  If you are using a composite provider or a calculation view, ensure that the aggregation key is included in the model definition.
  
  
  
  Test Data Load: 
  
  After making the necessary changes, test the data load process again to see if the error persists.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific patches or updates related to this error message. SAP frequently releases updates that may address known issues.
  Documentation: Refer to the SAP BW or SAP HANA documentation for detailed information on how to define aggregation keys and configure data models.
  Community Forums: Engage with SAP community forums or support channels for additional insights and solutions from other users who may have encountered the same issue.
  
  By following these steps, you should be able to resolve the "5189 Aggregation key was not yet specified" error in your SAP environment.