How To Fix WRF_WSUBST006 - Disallowed PRE_STEP; Order '&1', Item '&2'

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 006

• Message text: Disallowed PRE_STEP; 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_WSUBST006 - Disallowed PRE_STEP; Order '&1', Item '&2' ?

  The SAP error message WRF_WSUBST006 indicates that there is an issue with the substitution process in the SAP system, specifically related to a disallowed pre-step for a particular order and item. This error typically arises in the context of the SAP Advanced Planning and Optimization (APO) module or the SAP S/4HANA system when dealing with product substitutions.
  Cause:
  The error message WRF_WSUBST006 can occur due to several reasons, including:
  
  Invalid Configuration: The substitution configuration for the product may not allow for the specific pre-step that is being attempted.
  Order Status: The order or item may be in a status that does not permit the substitution process to proceed.
  Substitution Rules: The substitution rules defined in the system may not be set up correctly, leading to restrictions on certain operations.
  Master Data Issues: There may be issues with the master data related to the product or order, such as missing or incorrect information.
  
  Solution:
  To resolve the error WRF_WSUBST006, you can take the following steps:
  
  
  Check Substitution Configuration:
  
  Review the substitution settings in the system to ensure that the pre-step you are trying to execute is allowed for the specific order and item.
  Navigate to the relevant configuration settings in the SAP system (e.g., transaction codes like SPRO for configuration).
  
  
  
  Review Order Status:
  
  Check the status of the order and item in question. Ensure that they are in a state that allows for substitutions.
  You can use transaction codes like CO03 (Display Production Order) or VA03 (Display Sales Order) to check the order status.
  
  
  
  Examine Substitution Rules:
  
  Verify the substitution rules defined in the system. Ensure that they are correctly set up to allow the desired substitutions.
  You can check substitution rules in the relevant transaction (e.g., WRF_SUBST).
  
  
  
  Check Master Data:
  
  Ensure that the master data for the product and order is complete and accurate. This includes checking material master records, BOMs, and other relevant data.
  Use transaction codes like MM03 (Display Material) to review material master data.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or notes related to substitution processes for additional insights and troubleshooting steps.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant context.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO, CO03, VA03, and MM03 for configuration and data checks.
  SAP Notes: Search for SAP Notes related to the error message for any known issues or patches that may address the problem.
  User Forums: Consider checking SAP community forums or user groups for discussions related to this error, as other users may have encountered and resolved similar issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.