How To Fix WP101 - Material & unkown in system

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 101

• Message text: Material & unkown in system

What causes this issue?

The material number &V1& does not exist in the system.

System Response

The system could not post a goods movement for the material.

How to fix this error?

<DS:TRAN.MM41>Create the material in the system</>, or create the
goods movement using a different material number.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WP101 - Material & unkown in system ?

  The SAP error message WP101, which states "Material & unknown in system," typically indicates that the system is unable to recognize a material number that has been entered or referenced in a transaction. This can occur in various contexts, such as during the creation of a production order, goods movement, or inventory management.
  Causes:
  
  Material Not Created: The material number has not been created in the system.
  Material Deactivated: The material exists but has been marked as inactive or deleted.
  Incorrect Material Number: The material number entered may contain typographical errors or may not exist in the specified plant or storage location.
  Authorization Issues: The user may not have the necessary authorizations to view or use the material.
  Data Synchronization Issues: If the system is integrated with other systems (like a legacy system), there may be synchronization issues leading to the material not being recognized.
  
  Solutions:
  
  
  Check Material Existence:
  
  Use transaction code MM03 to check if the material exists in the system. Enter the material number and see if it can be retrieved.
  
  
  
  Create Material:
  
  If the material does not exist, create it using transaction code MM01. Ensure that all necessary data is filled out correctly.
  
  
  
  Check Material Status:
  
  If the material exists but is inactive, you may need to reactivate it. This can be done in the material master data.
  
  
  
  Verify Input:
  
  Double-check the material number for any typographical errors. Ensure that the correct number is being used.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to access the material. This may require coordination with the SAP security team.
  
  
  
  Data Synchronization:
  
  If the system is integrated with other systems, check for any data synchronization issues. Ensure that the material data is consistent across all systems.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  MMBE: Stock Overview
  MB52: List of Warehouse Stocks on Hand
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  
  
  Documentation: Review SAP documentation for material management to understand the material lifecycle and related processes.
  
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or refer to SAP's support portal for further assistance.