How To Fix RSM440 - No source characteristic maintained for characteristic &

SAP Error Message - Details

• Message type: E = Error

• Message class: RSM -

• Message number: 440

• Message text: No source characteristic maintained for characteristic &

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSM440 - No source characteristic maintained for characteristic & ?

  The SAP error message RSM440, which states "No source characteristic maintained for characteristic &," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when there is an issue with the data source or the data model configuration. This error indicates that a characteristic in your InfoObject or InfoProvider does not have a corresponding source characteristic defined, which is necessary for data extraction and transformation processes.
  Cause:
  
  Missing Source Characteristic: The characteristic in question does not have a source characteristic defined in the data flow. This can happen if the characteristic was created but not properly linked to a source.
  Incorrect Data Model Configuration: The data model may not be correctly set up, leading to missing mappings between source and target characteristics.
  Changes in Data Source: If the underlying data source has changed (e.g., a table structure change), the mappings may need to be updated.
  Transport Issues: If the InfoObject or InfoProvider was transported from one system to another, the source characteristics may not have been included in the transport.
  
  Solution:
  
  
  Check InfoObject Settings:
  
  Go to the InfoObject maintenance transaction (e.g., RSD1) and check the settings for the characteristic that is causing the error.
  Ensure that the source characteristic is defined in the "Source" tab of the InfoObject.
  
  
  
  Update Data Flow:
  
  If you are using a DataSource, check the DataSource settings in the Data Warehousing Workbench (transaction RSA1).
  Ensure that the source characteristic is correctly mapped to the target characteristic in the transformation rules.
  
  
  
  Review Transformations:
  
  Check the transformation rules (transaction RSTRAN) for the InfoProvider or InfoObject. Ensure that all necessary mappings are in place and that the source characteristics are correctly defined.
  
  
  
  Recreate or Adjust the DataSource:
  
  If the DataSource is not correctly configured, you may need to recreate it or adjust the existing one to include the necessary source characteristics.
  
  
  
  Check for Transport Issues:
  
  If the issue arose after a transport, verify that all necessary objects were included in the transport request. You may need to re-transport the missing objects.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of SAP BW/BI you are using for any known issues or additional troubleshooting steps.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  RSD1: InfoObject Maintenance
  RSA1: Data Warehousing Workbench
  RSTRAN: Transformation Maintenance
  
  
  SAP Notes: Check SAP Notes for any specific fixes or updates related to this error message.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the RSM440 error in your SAP BW/BI environment.