How To Fix R8279 - Field & is delta-relevant, but does not exist in the field list

SAP Error Message - Details

• Message type: E = Error

• Message class: R8 - Messages from the meta data generation

• Message number: 279

• Message text: Field & is delta-relevant, but does not exist in the field list

What causes this issue?

The DataSource uses field &v1& for specifying the delta. In the
DataSource field list, however, the field does not occur.

System Response

The DataSource is inconsistent and cannot be stored.

How to fix this error?

In the maintenance for the generic delta, specify a delta-relevant
field that exists in the DataSource field list.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message R8279 - Field & is delta-relevant, but does not exist in the field list ?

  The SAP error message R8279 indicates that a field is marked as delta-relevant in the context of data extraction, but it does not exist in the field list of the DataSource or InfoSource. This typically occurs in the context of SAP BW (Business Warehouse) or SAP Data Services when working with data extraction from SAP ERP systems.
  Cause:
  
  Field Configuration: The field in question is configured to be delta-relevant, but it has not been included in the DataSource or InfoSource definition.
  DataSource Changes: If the DataSource was modified (e.g., fields were added or removed) after the initial setup, the delta-relevant field may not have been updated accordingly.
  Inconsistent Metadata: There may be inconsistencies between the metadata definitions in the source system and the BW system.
  
  Solution:
  
  
  Check DataSource Definition:
  
  Go to the DataSource in the source system (transaction code RSA1 in BW).
  Verify that the field in question is included in the DataSource definition.
  If it is missing, you may need to add it to the DataSource.
  
  
  
  Update Field List:
  
  If the field is supposed to be delta-relevant, ensure that it is included in the field list of the DataSource.
  You can do this by modifying the DataSource in the source system and regenerating it.
  
  
  
  Re-activate DataSource:
  
  After making changes to the DataSource, re-activate it to ensure that the changes take effect.
  You can do this in the DataSource maintenance screen.
  
  
  
  Check Delta Configuration:
  
  Ensure that the delta configuration for the DataSource is correctly set up. This includes checking the delta mechanism (e.g., using a timestamp or a change log).
  
  
  
  Transport Changes:
  
  If you are working in a development environment, ensure that any changes made are transported to the production environment correctly.
  
  
  
  Check for Notes and Patches:
  
  Sometimes, SAP releases notes or patches that address specific issues. Check the SAP Support Portal for any relevant notes related to your version of SAP.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  RSA1: Data Warehousing Workbench
  RSD1: InfoObject Maintenance
  RSMO: Monitor Data Transfer
  
  
  SAP Notes: Search for SAP Notes related to DataSource issues or delta extraction problems.
  Documentation: Review SAP documentation on DataSources and delta mechanisms for more detailed guidance.
  
  If the issue persists after following these steps, consider reaching out to your SAP Basis or BW team for further assistance, as they may have additional insights or access to system logs that can help diagnose the problem.