How To Fix LB144 - It is not possible to maintain prop./prod. units for material &

SAP Error Message - Details

• Message type: E = Error

• Message class: LB - Logistics: Batch - Management

• Message number: 144

• Message text: It is not possible to maintain prop./prod. units for material &

What causes this issue?

You want to maintain <DS:DE.LRMEI_WS>proportion or product units</> for
material &V1&.
The <DS:DE.ATWRT_WS>planned value</> used for converting the proportion
or product unit to the <DS:DE.MEINS>base unit of measure</> is stored
in the classification system.
It is not possible to classify the material and the units of measure
due to incorrect system settings.

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?

Please inform your system administrator.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LB144 - It is not possible to maintain prop./prod. units for material & ?

  The SAP error message LB144, which states "It is not possible to maintain prop./prod. units for material &," typically occurs when there is an issue with the configuration of the material master data, particularly in relation to the production and procurement units of measure.
  Cause:
  
  Incorrect Material Type: The material type may not allow for the maintenance of production or procurement units.
  Missing Configuration: The necessary configuration for the material's unit of measure may not be set up correctly in the system.
  Material Status: The material may be in a status that does not allow changes to be made (e.g., blocked or inactive).
  Unit of Measure Settings: The units of measure for the material may not be defined correctly in the material master.
  Data Inconsistencies: There may be inconsistencies in the data related to the material master that prevent changes.
  
  Solution:
  
  Check Material Type: Ensure that the material type allows for the maintenance of production and procurement units. You may need to consult with your SAP configuration team to verify this.
  Review Material Master Data: Go to the material master (transaction code MM03) and check the relevant views (Basic Data, Purchasing, and MRP) to ensure that the units of measure are correctly defined.
  Check Material Status: Verify that the material is not blocked or inactive. If it is, you may need to change its status to allow for maintenance.
  Unit of Measure Configuration: Ensure that the units of measure are correctly defined in the system. You can check this in the configuration settings (transaction code OME1 for unit of measure settings).
  Consult Documentation: Review SAP documentation or help files related to material master data maintenance for additional guidance.
  Contact SAP Support: If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  Related Information:
  
  Transaction Codes: 
  
  MM03: Display Material
  MM02: Change Material
  OME1: Maintain Units of Measure
  
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error message or provide additional troubleshooting steps.
  User Roles and Authorizations: Ensure that the user has the necessary authorizations to make changes to the material master data.
  
  By following these steps, you should be able to identify and resolve the issue related to the SAP error message LB144.