How To Fix CL_RSEXT_TASK_MSG004 - &1 already in transfer rules for InfoSource &2

SAP Error Message - Details

• Message type: E = Error

• Message class: CL_RSEXT_TASK_MSG - Message Class for CL_RSEXT_TASK

• Message number: 004

• Message text: &1 already in transfer rules for InfoSource &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CL_RSEXT_TASK_MSG004 - &1 already in transfer rules for InfoSource &2 ?

  The SAP error message CL_RSEXT_TASK_MSG004 indicates that there is a problem with the transfer rules for an InfoSource in the SAP BW (Business Warehouse) system. Specifically, the error message states that a certain field (or characteristic) is already included in the transfer rules for the specified InfoSource. This can occur when you attempt to add a field that is already defined in the transfer rules, leading to a conflict.
  Cause:
  
  Duplicate Field Definition: The field you are trying to add to the transfer rules is already present in the transfer rules for the specified InfoSource.
  Incorrect Configuration: There may be a misconfiguration in the transfer rules or the InfoSource setup that is causing the system to recognize the field as a duplicate.
  Data Source Changes: If the data source has been modified or updated, it may lead to inconsistencies in the transfer rules.
  
  Solution:
  
  
  Check Transfer Rules: Go to the transfer rules for the specified InfoSource and verify if the field is already included. If it is, you do not need to add it again.
  
  Transaction Code: RSA1 (Data Warehousing Workbench) ? Navigate to the InfoSource and check the transfer rules.
  
  
  
  Remove Duplicate Field: If you find that the field is indeed duplicated, you can remove the duplicate entry from the transfer rules.
  
  
  Adjust Transfer Rules: If you need to modify the transfer rules, ensure that you are not trying to add fields that are already defined. Make necessary adjustments to avoid conflicts.
  
  
  Check Data Source: If the data source has been changed, ensure that the transfer rules are updated accordingly to reflect the current structure of the data source.
  
  
  Transport Requests: If you are working in a development environment, ensure that any changes made are properly transported to the quality or production environment.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 for the Data Warehousing Workbench, RSC1 for creating InfoSources, and RSC2 for maintaining transfer rules.
  Documentation: Refer to SAP documentation or help files for detailed information on managing transfer rules and InfoSources.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message or provide additional guidance.
  
  By following these steps, you should be able to resolve the error and ensure that your transfer rules are correctly configured.