How To Fix RSTRAN808 - There are no fields in target &1 &2

SAP Error Message - Details

• Message type: E = Error

• Message class: RSTRAN - Messages for Transformation

• Message number: 808

• Message text: There are no fields in target &1 &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSTRAN808 - There are no fields in target &1 &2 ?

  The SAP error message RSTRAN808, which states "There are no fields in target &1 &2," typically occurs during data transfer processes, particularly in the context of SAP BW (Business Warehouse) or data extraction scenarios. This error indicates that the target object (like a DataStore Object (DSO), InfoCube, or other data targets) does not have any fields defined for the data being transferred.
  Causes:
  
  Missing Field Definitions: The target object may not have any fields defined, or the fields defined do not match the source data structure.
  Incorrect Mapping: The mapping between the source and target may not be set up correctly, leading to no fields being recognized in the target.
  DataSource Issues: The DataSource from which data is being extracted may not be configured properly, or it may not be providing any data.
  Transport Issues: If the target object was recently transported from another system, it may not have been fully activated or configured.
  Authorization Issues: Lack of proper authorizations may prevent the system from recognizing the fields in the target.
  
  Solutions:
  
  Check Field Definitions: Verify that the target object has fields defined. Go to the target object in the Data Warehousing Workbench and ensure that the fields are correctly defined.
  Review Mapping: Check the transformation rules between the source and target. Ensure that the fields from the source are correctly mapped to the fields in the target.
  Validate DataSource: Ensure that the DataSource is active and correctly configured. Test the DataSource to see if it returns data as expected.
  Re-activate Objects: If the target object was recently transported, try reactivating it in the target system to ensure all definitions are correctly applied.
  Check Authorizations: Ensure that the user executing the data transfer has the necessary authorizations to access both the source and target objects.
  Debugging: If the issue persists, consider using the SAP debugger to trace the data flow and identify where the process is failing.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like RSA1 (Data Warehousing Workbench) to check the configuration of your InfoProviders and transformations.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Refer to SAP BW documentation for detailed information on data modeling, transformations, and data loading processes.
  
  By following these steps, you should be able to identify and resolve the issue causing the RSTRAN808 error message.