How To Fix RSAN_WB101 - Deleting the field assignment for unknown target field &1...

SAP Error Message - Details

• Message type: E = Error

• Message class: RSAN_WB - Messages for Analysis Designer

• Message number: 101

• Message text: Deleting the field assignment for unknown target field &1...

What causes this issue?

A field assignment exists for the target field &V1&. However, this
field is not found in the target structure.
This status can occur when fields have been deleted from the target
structure.

System Response

The system deletes the invalid field assignment.

How to fix this error?

Leave the dialog box for field assignment maintenance by confirming it
and save the corrected field assignments.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RSAN_WB101 - Deleting the field assignment for unknown target field &1... ?

  The SAP error message RSAN_WB101, which states "Deleting the field assignment for unknown target field &1," typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with field assignments in a transformation or data flow. This error indicates that the system is trying to delete a field assignment for a target field that does not exist or is not recognized in the current context.
  Causes:
  
  Field Deletion or Renaming: The target field may have been deleted or renamed in the data model, leading to inconsistencies in the transformation rules.
  Inconsistent Data Model: Changes in the underlying data model (like InfoObjects, DataSources, or InfoProviders) that are not reflected in the transformation can cause this error.
  Transport Issues: If the transformation was transported from one system to another, there might be inconsistencies due to missing objects or dependencies.
  Incorrect Configuration: The transformation might be incorrectly configured, leading to references to non-existent fields.
  
  Solutions:
  
  Check Field Existence: Verify that the target field referenced in the error message actually exists in the target structure. If it has been deleted or renamed, update the transformation accordingly.
  Update Transformations: If the field has been renamed or modified, update the transformation rules to reflect the current structure of the target.
  Recreate the Transformation: If the transformation is significantly corrupted, consider recreating it from scratch to ensure all field mappings are correct.
  Check Transport Requests: If the issue arose after a transport, check the transport logs for any errors or missing objects. Ensure that all necessary objects are included in the transport.
  Consistency Check: Use transaction codes like RSA1 (Data Warehousing Workbench) to perform consistency checks on the data model and transformations.
  Debugging: If the issue persists, consider debugging the transformation process to identify where the error is occurring.
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSTT: Transaction for performance analysis and monitoring
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP BW documentation for best practices on managing transformations and data flows.
  
  By following these steps, you should be able to resolve the RSAN_WB101 error and ensure that your transformations are correctly configured.