How To Fix WRF_REF176 - Reference determination schema &1 does not allow attribute maintenance

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 176

• Message text: Reference determination schema &1 does not allow attribute maintenance

What causes this issue?

You entered a reference determination schema whose assigned reference
determination type that does not allow determination of references via
article attributes.

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

You can still display or delete existing article attributes, but you
cannot change them or add new ones.

System Response

How to fix this error?

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_REF176 - Reference determination schema &1 does not allow attribute maintenance ?

  The SAP error message WRF_REF176 indicates that there is an issue with the reference determination schema in the context of attribute maintenance for a material or product. This error typically arises when you are trying to maintain attributes for a material that is governed by a reference determination schema that does not permit such maintenance.
  Cause:
  
  Reference Determination Schema: The reference determination schema defined for the material does not allow for the maintenance of attributes. This could be due to the configuration settings in the system.
  Configuration Settings: The schema might be set up in a way that restricts attribute changes, possibly due to business rules or specific settings in the material master configuration.
  Material Type Restrictions: Certain material types may have restrictions on attribute maintenance based on the business processes defined in the system.
  
  Solution:
  
  
  Check Reference Determination Schema: 
  
  Go to the configuration settings for the reference determination schema in the SAP system. You can do this by navigating to the relevant customizing transaction (usually in SPRO).
  Verify the settings of the schema to see if it allows for attribute maintenance.
  
  
  
  Modify Schema Settings:
  
  If you have the necessary authorization, you may need to modify the schema to allow attribute maintenance. This could involve changing the configuration to enable the relevant attributes for the material type in question.
  
  
  
  Consult Documentation:
  
  Review the SAP documentation or help files related to the reference determination schema and attribute maintenance to understand the implications of any changes you make.
  
  
  
  Check Material Type:
  
  Ensure that the material type you are working with is configured correctly and that it supports the attributes you are trying to maintain.
  
  
  
  Contact SAP Support:
  
  If you are unable to resolve the issue through configuration changes, consider reaching out to SAP support for assistance. They may provide insights specific to your system configuration.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like MM02 (Change Material) or MM01 (Create Material) to access the material master data.
  Customizing Path: The path to check or modify the reference determination schema is usually found under:
  
  SPRO -> Logistics -> Logistics Execution -> Master Data -> Material Master -> Define Reference Determination Schema.
  
  
  Authorization: Ensure you have the necessary authorizations to make changes to the configuration settings.
  
  By following these steps, you should be able to identify the cause of the WRF_REF176 error and implement a solution to allow for attribute maintenance as needed.