How To Fix WRF_REF018 - &4 Mat. &1 not listed in plant &2 in the last &3 week(s) nor in future

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 018

• Message text: &4 Mat. &1 not listed in plant &2 in the last &3 week(s) nor in future

What causes this issue?

The system has carried out the listing check for reference &V1&/&V2&.
The material &V1& in plant &V2& is not listed in the last &V3& week(s)
nor in future.

System Response

The system does not assign this combination as a reference.

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_REF018 - &4 Mat. &1 not listed in plant &2 in the last &3 week(s) nor in future ?

  The SAP error message WRF_REF018 indicates that a specific material (denoted as &1) is not listed in a particular plant (denoted as &2) for a specified period (denoted as &3 weeks) in the system. This error typically arises in the context of materials management and planning, particularly when dealing with material availability, forecasting, or planning scenarios.
  Cause:
  
  Material Not Maintained: The material may not have been maintained in the system for the specified plant. This could mean that the material master data is incomplete or missing for that plant.
  No Forecast Data: There may be no forecast data available for the material in the specified plant for the last &3 weeks or in the future.
  Plant-Specific Settings: The material might be set up in a different plant or not set up for the specific plant you are querying.
  Data Deletion: Historical data for the material may have been deleted or archived, leading to the absence of records for the specified time frame.
  
  Solution:
  
  Check Material Master Data: Verify that the material master data is correctly maintained for the specified plant. Ensure that the material is set up in the correct plant and that all necessary views (like MRP, Sales, etc.) are filled out.
  Maintain Forecast Data: If the material is supposed to have forecast data, ensure that it is maintained in the system. You can do this by using transaction codes like MC88 (for maintaining forecast) or MP30 (for planning).
  Review Planning Parameters: Check the planning parameters for the material in the plant. Ensure that the material is included in the planning run and that the planning settings are appropriate.
  Check for Deletions: Investigate if any data deletions or archiving processes have affected the material's availability in the specified time frame.
  Consult with Key Users: If you are unsure about the settings or data, consult with your SAP key users or functional consultants who can provide insights into the specific configuration and data maintenance processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), and MD04 (Stock/Requirements List) to analyze the material's status.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Documentation: Review SAP documentation or help files related to material management and forecasting to understand the implications of this error better.
  
  By following these steps, you should be able to identify the root cause of the WRF_REF018 error and take appropriate actions to resolve it.