How To Fix WRF_REF175 - Enter a reference determination schema

SAP Error Message - Details

• Message type: E = Error

• Message class: WRF_REF - Messages from References for Materials Without History

• Message number: 175

• Message text: Enter a reference determination schema

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_REF175 - Enter a reference determination schema ?

  The SAP error message WRF_REF175, which states "Enter a reference determination schema," typically occurs in the context of the SAP system when dealing with the configuration of reference determination for materials, especially in the Retail or Wholesale Distribution modules. This error indicates that the system requires a reference determination schema to be specified, but it has not been provided.
  Cause:
  
  Missing Configuration: The reference determination schema has not been defined in the system.
  Incorrect Settings: The settings for the reference determination might be incomplete or incorrectly configured.
  Data Entry Error: The user may have missed entering the required schema in the relevant field.
  
  Solution:
  To resolve the WRF_REF175 error, follow these steps:
  
  
  Define Reference Determination Schema:
  
  Navigate to the configuration settings for reference determination in the SAP system.
  Go to the following path: 
  
  SPRO ? SAP Reference IMG ? Logistics - General ? Master Data ? Material Master ? Define Reference Determination Schema.
  
  
  Create or modify a reference determination schema as needed.
  
  
  
  Assign the Schema:
  
  Ensure that the reference determination schema is assigned to the relevant materials or material types.
  Check if the schema is linked to the appropriate organizational units (like plants or sales organizations).
  
  
  
  Check for Data Entry:
  
  If you are entering data in a transaction, ensure that you have filled in all required fields, including the reference determination schema.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help files related to reference determination for additional context and guidance.
  
  
  
  Testing:
  
  After making the necessary changes, test the process again to ensure that the error no longer appears.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM01 (Create Material), MM02 (Change Material), or MM03 (Display Material) to check material master data.
  User Roles: Ensure that you have the necessary authorizations to make changes to the configuration settings.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to this error message.
  Support: If the issue persists after following the above steps, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to resolve the WRF_REF175 error and ensure that the reference determination schema is correctly configured in your SAP system.