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

UCF4109 - Overview

• 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.

UCF4109 - Details

• 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