How To Fix 3G423 - No substitution rule maintained for commitment item.

3G423 - Overview

• Message type: E = Error

• Message class: 3G - Payroll: International

• Message number: 423

• Message text: No substitution rule maintained for commitment item.

What causes this issue?

An attempt was made to derive substitute funding from basic pay
funding. However this was not possible as no derivation rule was stored
for the commitment item in Customizing.

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?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

3G423 - Details

• The SAP error message 3G423 ("No substitution rule maintained for commitment item") typically occurs in the context of budget management and financial accounting within SAP. This error indicates that there is no substitution rule defined for a specific commitment item in the system, which is necessary for the system to process transactions related to that commitment item.
  
  Cause:
  
  Missing Substitution Rule: The primary cause of this error is that there is no substitution rule defined for the commitment item in question. Substitution rules are used in SAP to automatically replace or modify certain values during document processing.
  
  Configuration Issues: The configuration settings in the SAP system may not have been properly set up to handle the specific commitment item.
  Incorrect Commitment Item: The commitment item being used may not be valid or may not have been properly defined in the system.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Define Substitution Rules:
  
  Go to the