How To Fix UCFE878 - The value of field &1 may not be initialized

UCFE878 - Overview

• Message type: E = Error

• Message class: UCFE - Messages for Data Entry Layouts

• Message number: 878

• Message text: The value of field &1 may not be initialized

What causes this issue?

<DS:DE.UC_BREAKDOWN>Breakdown type 3</> has been defined for item &V2&
for field &V1&. However, the value of field &V1& is blank.

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?

Enter a value for field &V1&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

UCFE878 - Details

• The SAP error message UCFE878 indicates that a certain field (represented by &1) is being initialized or set to a value that is not allowed. This typically occurs in the context of data processing or validation within SAP applications, particularly when dealing with user-defined fields or custom logic.
  
  Cause:
  
  Field Initialization: The error usually arises when a program or function tries to set a field to an initial value (like NULL or an empty string) that is not permitted by the business logic or data model.
  Data Validation Rules: The field may have specific validation rules that require it to have a certain value or format, and initializing it with an invalid value violates these rules.
  
  Configuration Issues: There may be configuration settings in the system that dictate how certain fields should be handled, and if these are not set correctly, it can lead to this error.
  
  
  Solution:
  
  Check Field Requirements: Review the field's requirements in