How To Fix WR001 - Please enter a plant and a material number

SAP Error Message - Details

• Message type: E = Error

• Message class: WR - Messages for Revaluation at Retail

• Message number: 001

• Message text: Please enter a plant and a material number

What causes this issue?

A revaluation at retail can only be performed if the material and the
plant needed for the revaluation are known.

System Response

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

How to fix this error?

Enter material and plant.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WR001 - Please enter a plant and a material number ?

  SAP Error Message:
  
  WR001 – Please enter a plant and a material number
  
  Cause:
  This error occurs when a transaction or report in SAP requires both a plant and a material number as mandatory input fields, but one or both of these fields are left empty or not entered correctly. The system cannot proceed without these key pieces of information because they are essential for identifying the specific material in a particular plant.
  
  When does it typically occur?
  
  During material master data processing or queries.
  When running reports or transactions related to inventory, procurement, or production that require plant and material context.
  In custom programs or user exits where validation checks enforce the presence of these fields.
  
  
  Solution:
  
  
  Enter the Plant:  
  
  Ensure you input a valid plant code in the plant field. The plant is a key organizational unit in SAP representing a manufacturing location, warehouse, or distribution center.
  
  
  
  Enter the Material Number:  
  
  Provide the correct material number. This should be a valid material master record existing in the system.
  
  
  
  Check Field Formats:  
  
  Verify that the entries are in the correct format and correspond to existing master data.
  
  
  
  If Using a Custom Program or Report:  
  
  Check the selection screen or input parameters to ensure both fields are mandatory and filled.
  If the error persists despite entering both fields, there might be a program logic issue or a missing validation step.
  
  
  
  Verify Authorizations:  
  
  Sometimes, missing authorizations can prevent the system from recognizing entered data. Confirm you have the necessary permissions to access the plant and material data.
  
  
  
  
  Additional Information:
  
  Transaction Codes: This message can appear in various transactions such as MM01/MM02 (Material Master), MB51 (Material Document List), or custom reports.
  Message Class: WR (likely related to Warehouse or Material Management).
  Debugging: If you have access, you can debug the program to see where the validation fails.
  SAP Notes: Check SAP Service Marketplace for any notes related to message WR001 for your specific SAP version.
  
  
  Summary:
  WR001 is a prompt reminding users to input both a plant and a material number, which are essential for the system to process material-related transactions correctly. Always ensure these fields are filled with valid data before proceeding.