How To Fix WRF_WSUBST042 - Error triggered in BAdI implementation; purchase order &1, item &2

WRF_WSUBST042 - Overview

• Message type: E = Error

• Message class: WRF_WSUBST - Article Substitution: Messages Central Determination Logic

• Message number: 042

• Message text: Error triggered in BAdI implementation; purchase order &1, item &2

What causes this issue?

An error occurred in a customer implementation of method
WRF_SUBST_CHANGE_SUBSTPROPOSAL of the BAdI WRF_SUBST_BADI_ARTICLE_SUBST.

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.

WRF_WSUBST042 - Details

• The SAP error message WRF_WSUBST042 indicates that there is an issue in a Business Add-In (BAdI) implementation related to a purchase order. Specifically, it suggests that an error occurred during the execution of the BAdI for a particular purchase order and item.
  
  Cause:
  
  BAdI Implementation Error: The most common cause of this error is a problem in the custom code of the BAdI implementation. This could be due to syntax errors, logic errors, or unhandled exceptions in the code.
  Data Issues: There may be issues with the data being processed, such as missing or incorrect values in the purchase order or item.
  
  Configuration Issues: Incorrect configuration settings related to the BAdI or the purchasing process could also lead to this error.
  Authorization Issues: The user executing the transaction may not have the necessary authorizations to perform the actions defined in the BAdI.
  
  
  Solution:
  
  Check BAdI Implementation: Review the code in the BAdI implementation for any errors. Look