How To Fix WRF_REF033 - &4 Changing of the reference assignment is not necessary

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 033

• Message text: &4 Changing of the reference assignment is not necessary

What causes this issue?

The reference assignment for material &V1& and plant &V2&, which already
exists in the database, is up-to-date. Therefore, no change is
necessary.
The system issues this message at two places:
When you transfer a reference assignment to other plants with the dialog
program.
In this case, the existing assignment is on par with the one you want to
transfer.
When you create reference assignments automatically with the batch
program.
In this case, the system has searched for a reference module and found
the same module that is already assigned to this material/plant
combination.

System Response

The existing reference assignment remains unchanged.

How to fix this error?

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

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_REF033 - &4 Changing of the reference assignment is not necessary ?

  The SAP error message WRF_REF033 indicates that there is an attempt to change the reference assignment for a material or product, but the system determines that such a change is unnecessary. This typically occurs in the context of material management and product data maintenance within the SAP system.
  Cause:
  The error message WRF_REF033 can be triggered by several factors, including:
  
  No Changes Detected: The reference assignment you are trying to change is already set to the desired value, so the system sees no need for an update.
  Incorrect Data Entry: The data you are trying to enter may not be valid or may not meet the criteria for a change.
  System Configuration: There may be specific configurations or settings in the system that prevent changes to reference assignments under certain conditions.
  Authorization Issues: The user may not have the necessary permissions to make changes to the reference assignments.
  
  Solution:
  To resolve the WRF_REF033 error, consider the following steps:
  
  Verify Current Assignments: Check the current reference assignments for the material or product to ensure that the values you are trying to change are indeed different from the existing ones.
  Review Input Data: Ensure that the data you are entering is correct and valid. Double-check for any typos or incorrect values.
  Check Configuration Settings: Consult with your SAP configuration team to see if there are any settings that might be preventing the change. This could include settings related to material types, reference assignments, or other related configurations.
  User Authorization: Ensure that you have the necessary permissions to make changes to the reference assignments. If not, contact your system administrator to obtain the required access.
  Consult Documentation: Review SAP documentation or help resources for any specific notes related to this error message, as there may be additional context or solutions provided by SAP.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may be used to manage material data, such as MM02 (Change Material) or MM03 (Display Material).
  SAP Notes: Check the SAP Support Portal for any notes related to WRF_REF033, as there may be patches or updates that address this issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the WRF_REF033 error and implement a suitable solution. If the issue persists, consider reaching out to SAP support for further assistance.