How To Fix WRF_WSUBST056 - No substitution master data found; purchase order &1, item &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 056

• Message text: No substitution master data found; purchase order &1, item &2

What causes this issue?

The system was unable to find any substitution proposals for the
event-controlled substitution of an original material with a follow-up
material (taking account of the indicator
<DS:DE.WRF_SUBST_FA_EC_FORCE_SWITCH>Force Switchover After Switchover
Period</>).

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?

Create corresponding substitution master data in the <DS:TRAN.WRFFUART>
Maintain Follow-Up/Replacement Material Relationships</> transaction.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_WSUBST056 - No substitution master data found; purchase order &1, item &2 ?

  The SAP error message WRF_WSUBST056 indicates that there is no substitution master data found for a specific purchase order and item. This error typically arises in the context of the SAP system's handling of substitution processes, which are often used in materials management and procurement scenarios.
  Cause:
  
  
  Missing Substitution Master Data: The primary cause of this error is that the substitution master data for the specified purchase order and item does not exist in the system. This could happen if:
  
  The substitution data has not been created or maintained.
  The data was deleted or not properly configured.
  The item or purchase order does not meet the criteria for substitution.
  
  
  
  Incorrect Configuration: There may be issues with the configuration settings related to substitution in the system, which could prevent the system from finding the relevant master data.
  
  
  Data Inconsistencies: There could be inconsistencies in the data, such as incorrect item numbers or purchase order references.
  
  
  Solution:
  
  
  Check Substitution Master Data:
  
  Navigate to the relevant transaction in SAP (e.g., transaction code WRF1 for maintaining substitution master data).
  Verify if the substitution data exists for the specified item and purchase order.
  If it does not exist, create the necessary substitution master data.
  
  
  
  Review Configuration Settings:
  
  Check the configuration settings for substitution in the system. Ensure that the settings are correctly defined to allow for substitutions.
  You may need to consult with your SAP configuration team or refer to the SAP documentation for guidance on the correct settings.
  
  
  
  Validate Purchase Order and Item:
  
  Ensure that the purchase order and item numbers are correct and that they correspond to the expected values in the system.
  If there are discrepancies, correct them in the relevant transactions.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that resolve known issues.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  Substitution Process: Understand how the substitution process works in your specific SAP environment, including the criteria for substitutions and how they are configured.
  Documentation: Refer to SAP Help documentation for detailed information on substitution master data and related processes.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to view and maintain substitution master data.
  
  If the issue persists after following these steps, it may be beneficial to engage with your SAP support team or consult with an SAP expert for further assistance.