How To Fix RSDS079 - Conversion &1...

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDS - New DataSource

• Message number: 079

• Message text: Conversion &1...

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDS079 - Conversion &1... ?

  The SAP error message RSDS079 typically relates to issues with data source extraction in SAP BW (Business Warehouse). The message usually indicates that there is a problem with the conversion of data from the source system to the BW system.
  Cause:
  The error message RSDS079 can occur due to several reasons, including:
  
  
  Data Type Mismatch: The data type in the source system does not match the expected data type in the BW system. For example, trying to load a character field into a numeric field.
  
  
  Invalid Data: The data being extracted may contain invalid or unexpected values that cannot be converted properly.
  
  
  Field Length Issues: The length of the data being extracted may exceed the defined length in the BW data model.
  
  
  Configuration Issues: There may be issues with the configuration of the data source or the transformation rules that are set up in BW.
  
  
  Missing or Incorrect Mapping: If the mapping between the source fields and the target fields in BW is not set up correctly, it can lead to conversion errors.
  
  
  Solution:
  To resolve the RSDS079 error, you can take the following steps:
  
  
  Check Data Types: Verify that the data types in the source system match those defined in the BW data model. Adjust the data types if necessary.
  
  
  Review Data Values: Inspect the data being extracted for any invalid or unexpected values. Cleanse the data if needed.
  
  
  Field Length Verification: Ensure that the lengths of the fields in the source system do not exceed the lengths defined in the BW data model. Adjust the lengths if necessary.
  
  
  Transformation Rules: Review the transformation rules in BW to ensure they are correctly configured. Make sure that all necessary mappings are in place.
  
  
  Error Logs: Check the error logs in the BW system for more detailed information about the specific records causing the error. This can help identify the root cause.
  
  
  Test Extraction: Perform a test extraction with a smaller dataset to isolate the issue and confirm that the changes made resolve the error.
  
  
  Consult Documentation: Refer to SAP documentation or support notes related to the specific data source and transformation to find any known issues or additional troubleshooting steps.
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes related to RSDS079 for any specific patches or updates that may address the issue.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  BW Data Modeling: Familiarize yourself with BW data modeling concepts, especially regarding data sources, transformations, and data targets.
  
  If the issue persists after trying the above solutions, it may be beneficial to involve your SAP Basis or BW support team for further investigation.