How To Fix WRF_WSUBST018 - No substitution proposal created; 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: 018

• Message text: No substitution proposal created; purchase order &1, item &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WRF_WSUBST018 - No substitution proposal created; purchase order &1, item &2 ?

  The SAP error message WRF_WSUBST018 indicates that no substitution proposal was created for a specific purchase order and item. This error typically arises in the context of the SAP system's handling of substitutions in materials management, particularly when dealing with procurement processes.
  Cause:
  The error can occur due to several reasons, including:
  
  
  No Valid Substitution Defined: There may not be any valid substitution materials defined for the item in question. This could be due to missing configuration or data in the material master.
  
  
  Substitution Conditions Not Met: The conditions required for a substitution to take place may not be met. This could include factors such as stock levels, availability, or specific criteria set in the substitution rules.
  
  
  Incorrect Material Master Data: The material master data for the item may not be correctly set up, leading to the system not being able to find a suitable substitution.
  
  
  Incompatibility of Items: The items involved may not be compatible for substitution based on the defined rules in the system.
  
  
  System Configuration Issues: There may be issues with the configuration of the substitution process in the SAP system.
  
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Substitution Settings:
  
  Go to the material master record for the item in question and check if any substitution materials are defined.
  Ensure that the substitution settings are correctly configured in the system.
  
  
  
  Review Substitution Conditions:
  
  Verify if the conditions for substitution are met. This includes checking stock levels, availability, and any other criteria that may affect the substitution process.
  
  
  
  Update Material Master Data:
  
  If necessary, update the material master data to include valid substitution materials or correct any inaccuracies.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources related to material substitution to ensure that all necessary configurations are in place.
  
  
  
  Check for Customizations:
  
  If your organization has custom developments or enhancements, check if they might be affecting the substitution logic.
  
  
  
  Test with Different Scenarios:
  
  Try creating a substitution proposal with different purchase orders or items to see if the issue is isolated to specific cases.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: You may want to use transaction codes like MM03 (Display Material) to check material master data or ME21N (Create Purchase Order) to review the purchase order details.
  Substitution Configuration: The configuration for material substitution can typically be found in the customizing settings under Logistics -> Materials Management -> Purchasing -> Material Substitution.
  SAP Notes: Check for any relevant SAP Notes that might address known issues or provide additional guidance on this error message.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.