How To Fix UCFE879 - The value of field &1 may not be &2

UCFE879 - Overview

• Message type: E = Error

• Message class: UCFE - Messages for Data Entry Layouts

• Message number: 879

• Message text: The value of field &1 may not be &2

What causes this issue?

<DS:DE.UC_BREAKDOWN>Breakdown type 4</> has been defined for item &V3&
for field &V1&. However, the value of field &V1& is the default value.

System Response

The system will delete the value of field &V1&.

How to fix this error?

Enter a value for field &V1& other than the default value.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message UCFE879 - The value of field &1 may not be &2 ?

  The SAP error message UCFE879 indicates that a specific field in your SAP system has a value that is not allowed based on the defined business rules or constraints. The message format typically includes placeholders like &1 for the field name and &2 for the invalid value.
  
  Cause:
  The error occurs when:
  
  A field is populated with a value that does not meet the validation criteria set in the system.
  The value may be outside of an acceptable range, or it may not conform to the expected format or type.
  There may be configuration settings or business rules that restrict the values that can be entered into that field.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Identify the Field and Value: Check the error message to identify which field (&1) is causing the issue and what the invalid value (&2) is.
  
  
  Review Field Constraints: Look into the configuration or validation rules associated with that field.