How To Fix WP122 - Base unit of measure & or material & unknown

SAP Error Message - Details

• Message type: E = Error

• Message class: WP - Messages from POS interface

• Message number: 122

• Message text: Base unit of measure & or material & unknown

What causes this issue?

The base unit of measure &V1& or material &V2& is not known.

System Response

The system could not post the data.

How to fix this error?

Enter the missing data using <DS:TRAN.MM42>Material master
maintenance</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WP122 - Base unit of measure & or material & unknown ?

  The SAP error message WP122, which states "Base unit of measure & or material & unknown," typically occurs in the context of material management or production planning when the system cannot recognize the base unit of measure for a specified material. This can happen for several reasons, and here are the common causes, solutions, and related information:
  Causes:
  
  Material Not Defined: The material in question may not be defined in the system or may have been deleted.
  Missing Base Unit of Measure: The base unit of measure for the material may not be set up in the material master record.
  Incorrect Material Type: The material type may not be compatible with the operations being performed.
  Data Inconsistency: There may be inconsistencies in the data, such as missing or incorrect entries in the material master.
  Authorization Issues: The user may not have the necessary authorizations to view or modify the material master data.
  
  Solutions:
  
  Check Material Master: Verify that the material exists in the system. You can do this by using transaction code MM03 to display the material master record.
  Review Base Unit of Measure: Ensure that the base unit of measure is correctly defined in the material master. This can be checked in the Basic Data view of the material master.
  Create or Update Material: If the material does not exist, create it using transaction code MM01. If it exists but is missing the base unit of measure, update it using MM02.
  Check Material Type: Ensure that the material type is appropriate for the operations you are trying to perform. You can check this in the material master record.
  Data Consistency Check: Run consistency checks or reports to identify any data issues. Transaction codes like MMBE (Stock Overview) can help identify issues with stock levels.
  Authorization Check: Ensure that the user has the necessary authorizations to access and modify the material master data.
  
  Related Information:
  
  Transaction Codes:
  
  MM01: Create Material
  MM02: Change Material
  MM03: Display Material
  MMBE: Stock Overview
  
  
  Material Master Views: Familiarize yourself with the different views of the material master, especially the Basic Data and Purchasing views, where the base unit of measure is defined.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  Documentation: Refer to SAP documentation for detailed information on material management and the configuration of material master records.
  
  By following these steps, you should be able to resolve the WP122 error and ensure that the base unit of measure for the material is correctly defined in the system.