How To Fix RSDHA434 - Key of InfoSource '&1' cannot be used to aggregate the processed data

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDHA - HANA Analysis in BW

• Message number: 434

• Message text: Key of InfoSource '&1' cannot be used to aggregate the processed data

What causes this issue?

When you are using SAP HANA processing mode, the modeled key of
InfoSource cannot be used to aggregate the extracted and transformed
data.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSDHA434 - Key of InfoSource '&1' cannot be used to aggregate the processed data ?

  The SAP error message RSDHA434 indicates that there is an issue with the aggregation of data in an InfoSource. This error typically arises when the key of the InfoSource cannot be used to aggregate the processed data, which can happen for several reasons. Below are the potential causes, solutions, and related information for this error:
  Causes:
  
  
  Inconsistent Key Fields: The key fields defined in the InfoSource may not be consistent with the data being processed. This can happen if the key fields are not properly defined or if there are discrepancies in the data.
  
  
  Data Type Mismatch: There may be a mismatch in the data types of the key fields between the source and the target InfoSource.
  
  
  Missing Key Fields: If the key fields required for aggregation are missing from the data being processed, the aggregation cannot be performed.
  
  
  Incorrect Aggregation Settings: The settings for aggregation in the InfoSource may not be configured correctly, leading to issues when trying to aggregate data.
  
  
  Data Quality Issues: Poor data quality, such as duplicates or null values in key fields, can also lead to aggregation problems.
  
  
  Solutions:
  
  
  Check Key Field Definitions: Review the key field definitions in the InfoSource and ensure they are correctly defined and consistent with the source data.
  
  
  Validate Data Types: Ensure that the data types of the key fields in the source and target InfoSource match. If there are discrepancies, adjust the data types accordingly.
  
  
  Ensure Key Fields are Present: Verify that all required key fields are present in the data being processed. If any key fields are missing, you may need to adjust the data extraction or transformation process.
  
  
  Review Aggregation Settings: Check the aggregation settings in the InfoSource and ensure they are configured correctly. Make any necessary adjustments to the settings.
  
  
  Data Cleansing: Perform data cleansing to address any data quality issues. This may involve removing duplicates, filling in missing values, or correcting data formats.
  
  
  Test with Sample Data: If possible, test the aggregation process with a smaller set of sample data to identify any specific issues that may be causing the error.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP frequently updates its knowledge base with solutions for common problems.
  Documentation: Refer to the SAP documentation for InfoSources and data aggregation to understand the requirements and best practices for setting up and using InfoSources.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the root cause of the RSDHA434 error and implement a solution to resolve it.