How To Fix RD126 - There is no unique field of an operating concern for the InfoObject

SAP Error Message - Details

• Message type: E = Error

• Message class: RD - CO-PA Connection to SAP BW

• Message number: 126

• Message text: There is no unique field of an operating concern for the InfoObject

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message RD126 - There is no unique field of an operating concern for the InfoObject ?

  The SAP error message RD126, which states "There is no unique field of an operating concern for the InfoObject," typically occurs in the context of SAP BW (Business Warehouse) or SAP BI (Business Intelligence) when dealing with InfoObjects and their relationships to operating concerns in CO-PA (Controlling-Profitability Analysis).
  Cause:
  The error RD126 usually arises due to one of the following reasons:
  
  
  Missing Unique Field: The InfoObject you are trying to use does not have a unique field defined in the operating concern. In CO-PA, each InfoObject must be linked to a unique field that can be used for reporting and analysis.
  
  
  Incorrect Configuration: The configuration of the InfoObject or the operating concern may not be set up correctly. This could include issues with the InfoObject's attributes or its relationship to the operating concern.
  
  
  Data Model Issues: There may be inconsistencies in the data model, such as missing or incorrectly defined characteristics or key figures that are required for the operating concern.
  
  
  Solution:
  To resolve the RD126 error, you can take the following steps:
  
  
  Check InfoObject Configuration:
  
  Go to the InfoObject maintenance transaction (e.g., RSA1) and check the configuration of the InfoObject in question.
  Ensure that the InfoObject has a unique field defined for the operating concern.
  
  
  
  Review Operating Concern Settings:
  
  Access the operating concern settings in the CO-PA configuration (transaction KEA0).
  Verify that the InfoObject is correctly assigned to the operating concern and that all required fields are defined.
  
  
  
  Adjust Data Model:
  
  If there are inconsistencies in the data model, you may need to adjust the InfoObjects, characteristics, or key figures to ensure they align with the requirements of the operating concern.
  
  
  
  Re-activate InfoObjects:
  
  Sometimes, re-activating the InfoObjects can help resolve issues. You can do this by going to the InfoObject maintenance and re-activating the InfoObject.
  
  
  
  Check for Transport Issues:
  
  If the issue arose after a transport, ensure that all necessary objects were transported correctly and that there are no missing dependencies.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific InfoObject and operating concern for any additional configuration steps or requirements.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the RD126 error. SAP frequently updates its knowledge base with solutions for common errors.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as RSA1 (Data Warehousing Workbench), KEA0 (Operating Concern), and RSD1 (InfoObject Maintenance).
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the RD126 error in your SAP environment.