How To Fix >0899 - Status of aggregation is not unique

SAP Error Message - Details

• Message type: E = Error

• Message class: >0 - General Basis texts

• Message number: 899

• Message text: Status of aggregation is not unique

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message >0899 - Status of aggregation is not unique ?

  The SAP error message "0899 Status of aggregation is not unique" typically occurs in the context of data aggregation in SAP BW (Business Warehouse) or SAP HANA when there is an issue with the uniqueness of the aggregation status for a particular data set. This error can arise during data loading, reporting, or when performing certain operations on aggregated data.
  Cause:
  
  Duplicate Aggregation Status: The error indicates that there are multiple records with the same aggregation status for a particular key figure or characteristic. This can happen if the data model allows for non-unique entries, leading to ambiguity in how the data should be aggregated.
  Data Model Issues: There may be issues in the data model design, such as incorrect relationships or joins that allow for multiple records to be aggregated in a way that is not unique.
  Data Quality Issues: The source data may contain duplicates or inconsistencies that lead to non-unique aggregation statuses.
  
  Solution:
  
  Check Data Source: Review the source data for duplicates or inconsistencies. Ensure that the data being loaded into the BW or HANA system is clean and adheres to the expected structure.
  Adjust Aggregation Logic: Modify the aggregation logic in the InfoCube or data model to ensure that it can handle non-unique statuses appropriately. This may involve changing the way data is aggregated or introducing additional keys to ensure uniqueness.
  Data Cleansing: Implement data cleansing processes to remove duplicates or correct inconsistencies in the data before it is loaded into the system.
  Review InfoObjects: Check the InfoObjects and their attributes to ensure that they are defined correctly and that the aggregation settings are appropriate for the data being processed.
  Consult Documentation: Refer to SAP documentation or support notes related to the specific version of SAP you are using for any known issues or additional troubleshooting steps.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any specific fixes or patches related to this error message. SAP frequently updates its knowledge base with solutions to common issues.
  Data Modeling Best Practices: Familiarize yourself with best practices for data modeling in SAP BW or HANA to avoid similar issues in the future.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with an SAP expert or reach out to SAP support for further assistance.