How To Fix CM_EHPSS_MGR301 - Unit of measurment is dimensionless. Composition cannot be calculated.

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_EHPSS_MGR -

• Message number: 301

• Message text: Unit of measurment is dimensionless. Composition cannot be calculated.

What causes this issue?

Composition &V1& contains a unit of measurement that cannot be measured
in any natural dimension.

System Response

The system cannot calculate the composition in the unit of measurement
"%".

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 CM_EHPSS_MGR301 - Unit of measurment is dimensionless. Composition cannot be calculated. ?

  The SAP error message CM_EHPSS_MGR301 indicates that there is an issue with the unit of measurement (UoM) being used in a calculation related to composition in the context of materials management or product data management. Specifically, it suggests that the unit of measurement is "dimensionless," which means that it does not have a physical dimension (like length, mass, etc.) and therefore cannot be used to calculate a composition.
  Cause:
  
  Incorrect Unit of Measurement: The unit of measurement assigned to the material or component may be set to a dimensionless value (e.g., a percentage without a corresponding base unit).
  Missing Data: The necessary data for calculating the composition may be incomplete or incorrectly configured in the material master or related records.
  Configuration Issues: There may be issues in the configuration of the material types or the way the system is set up to handle compositions.
  
  Solution:
  
  
  Check Unit of Measurement:
  
  Go to the material master record (transaction code MM03) and check the unit of measurement assigned to the material.
  Ensure that the unit of measurement is appropriate for the type of material and the calculations being performed (e.g., use grams, liters, etc., instead of a dimensionless unit).
  
  
  
  Review Composition Data:
  
  Verify that all components and their respective quantities are correctly defined in the material master or BOM (Bill of Materials).
  Ensure that the composition data is complete and that all necessary components are included.
  
  
  
  Adjust Configuration:
  
  If the issue persists, review the configuration settings related to material types and units of measurement in the SAP system.
  Consult with your SAP configuration team to ensure that the system is set up correctly to handle the specific requirements of your materials.
  
  
  
  Testing:
  
  After making the necessary changes, test the calculation again to ensure that the error does not reoccur.
  
  
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. SAP Notes can provide additional context or solutions.
  Documentation: Review SAP documentation related to material management and unit of measurement handling to ensure compliance with best practices.
  User Forums: Consider searching or posting in SAP community forums for additional insights from other users who may have encountered similar issues.
  
  If the problem continues after following these steps, it may be beneficial to engage with SAP support for further assistance.