How To Fix UCF4109 - Method &1: Source assignment &2 is not unique for all steps

SAP Error Message - Details

• Message type: E = Error

• Message class: UCF4 - Messages on Reclassification

• Message number: 109

• Message text: Method &1: Source assignment &2 is not unique for all steps

What causes this issue?

In step &V3& of reclassification method &V1&, you have specified item
&V2& as the source assignment. You have assigned this reclassification
method to reclassification task &V4&. In this task, you have selected
the <LS>Assets Held for Sale</> checkbox.
For this type of task, you can define the source assignment in the
reclassification method only if the following conditions are met:
You have selected the <LS>Value Allowance of Assets/Liabilities</>
checkbox in the reclassification task.
You have selected <LS>Discontinued Consolidation Units</> as the
processing type in the <LS>Processing Type of Assets Held for Sale</>
field.
You then need to define income statement item <LS>Discontinued
Operations</> as the source assignment for all method steps.

System Response

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

How to fix this error?

Adjust the Customizing settings for the source assignment of
reclassification method &V1& as described above.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCF4109 - Method &1: Source assignment &2 is not unique for all steps ?

  The SAP error message UCF4109 indicates that there is an issue with the source assignment in a particular method within the SAP system. This error typically arises in the context of the SAP Universal Component Framework (UCF) when the system encounters a situation where the source assignment is not unique across all steps in a process.
  Cause:
  The error message UCF4109 is triggered when:
  
  Non-Unique Source Assignment: The source assignment specified for a method is ambiguous because it is not unique across the steps defined in the process. This can happen if multiple steps are trying to reference the same source assignment without a clear distinction.
  Configuration Issues: There may be a misconfiguration in the settings related to the method or the source assignments in the UCF.
  Data Integrity Issues: There could be issues with the data being processed, leading to conflicts in source assignments.
  
  Solution:
  To resolve the UCF4109 error, you can take the following steps:
  
  
  Check Source Assignments:
  
  Review the source assignments for the method in question. Ensure that each step has a unique source assignment.
  If multiple steps are using the same source assignment, consider modifying the configuration to ensure uniqueness.
  
  
  
  Review Method Configuration:
  
  Go to the method configuration in the SAP system and verify that all steps are correctly defined.
  Ensure that the source assignments are correctly mapped to the respective steps.
  
  
  
  Data Validation:
  
  Validate the data being processed to ensure there are no duplicates or conflicts that could lead to ambiguity in source assignments.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources related to UCF and the specific method you are working with. This can provide insights into proper configurations and best practices.
  
  
  
  Testing:
  
  After making changes, test the process again to ensure that the error is resolved and that the method functions as expected.
  
  
  
  Seek Support:
  
  If the issue persists, consider reaching out to SAP support or consulting with an SAP expert who can provide more tailored assistance based on your specific configuration and environment.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional troubleshooting steps.
  UCF Documentation: Familiarize yourself with the Universal Component Framework documentation to understand how source assignments and methods are structured.
  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 UCF4109 error in your SAP system.