How To Fix RSDME226 - No new fields are available for mapping

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDME -

• Message number: 226

• Message text: No new fields are available for mapping

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDME226 - No new fields are available for mapping ?

  The SAP error message RSDME226, which states "No new fields are available for mapping," typically occurs in the context of SAP BW (Business Warehouse) when you are trying to map fields in a DataSource to InfoObjects in a Data Warehouse model. This error indicates that the system cannot find any new fields in the DataSource that can be mapped to the InfoObjects in the target structure.
  Causes:
  
  No New Fields in DataSource: The DataSource you are trying to use does not have any new fields that are not already mapped to existing InfoObjects.
  Field Mapping Issues: There may be issues with the field mapping configuration, such as incorrect settings or missing fields in the DataSource.
  DataSource Activation: The DataSource may not be activated properly, or changes made to the DataSource have not been reflected in the BW system.
  InfoObject Changes: Changes to InfoObjects (like deletion or renaming) that are not reflected in the DataSource can lead to this error.
  Version Mismatch: If there are multiple versions of the DataSource, you might be looking at an outdated version that does not contain the new fields.
  
  Solutions:
  
  Check DataSource: Verify that the DataSource contains the fields you expect. You can do this by checking the DataSource in the source system.
  Activate DataSource: If you have made changes to the DataSource, ensure that it is activated in the source system and that the changes are reflected in BW.
  Recheck Field Mapping: Go to the field mapping settings in the BW system and ensure that the fields are correctly mapped. If necessary, remove and re-add the mappings.
  Update InfoObjects: If there have been changes to InfoObjects, ensure that they are updated and that the DataSource is aware of these changes.
  Check for New Fields: If you are expecting new fields, ensure that they are indeed present in the DataSource and that they are not already mapped to existing InfoObjects.
  Use the DataSource Maintenance: In the BW system, use the DataSource maintenance transaction (e.g., RSA1) to check the DataSource and its fields.
  Check for Version Conflicts: Ensure that you are working with the correct version of the DataSource. If there are multiple versions, make sure you are using the latest one.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to manage DataSources and InfoObjects.
  Documentation: Refer to SAP Help documentation for detailed information on DataSource and InfoObject management.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or BW team for further investigation, as they may have access to logs and additional tools to diagnose the issue.