How To Fix WRF_WSUBST010 - Substitution not permitted; 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: 010

• Message text: Substitution not permitted; purchase order &1, item &2

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_WSUBST010 - Substitution not permitted; purchase order &1, item &2 ?

  The SAP error message WRF_WSUBST010 indicates that a substitution is not permitted for a specific purchase order and item. This error typically arises in the context of materials management and procurement processes within SAP, particularly when dealing with substitution strategies for materials.
  Cause:
  The error can occur due to several reasons:
  
  Substitution Not Allowed: The specific material or item in the purchase order may not be set up to allow substitutions. This could be due to configuration settings in the material master or the purchasing info record.
  Substitution Strategy: The substitution strategy defined for the material may not permit substitutions for the specific conditions of the purchase order.
  Material Status: The material status may restrict substitutions, such as if the material is marked as blocked or inactive.
  Purchase Order Conditions: The conditions of the purchase order may not meet the criteria for substitution, such as pricing or quantity constraints.
  
  Solution:
  To resolve the error, consider the following steps:
  
  Check Material Master: Review the material master data for the item in question. Ensure that the substitution settings are correctly configured. You can do this by navigating to the material master record and checking the relevant views (e.g., Basic Data, Purchasing).
  Review Substitution Strategy: Check the substitution strategy defined for the material. Ensure that it allows for substitutions under the conditions of the purchase order.
  Examine Purchase Order: Look at the specific purchase order and item to see if there are any conditions that would prevent substitution. This includes checking the item category and any associated conditions.
  Consult Configuration: If you have access to configuration settings, review the settings related to material substitution in the SAP system. This may involve checking the customizing settings in SPRO related to material management and substitution.
  User Authorization: Ensure that the user attempting the substitution has the necessary authorizations to perform the action.
  Contact Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP documentation for further assistance.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like MM03 (Display Material), ME23N (Display Purchase Order), and SPRO (Customizing) to investigate the issue further.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on handling substitutions.
  Documentation: Review SAP Help documentation for detailed information on material substitution processes and configurations.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to allow for the necessary substitutions in your purchasing process.