How To Fix CM_BOMBOS025 - The unit of measure cannot be converted

SAP Error Message - Details

• Message type: E = Error

• Message class: CM_BOMBOS - BOMBOS

• Message number: 025

• Message text: The unit of measure cannot be converted

What causes this issue?

The unit of measure &v2& of bill of material item &v1& cannot be
converted to the base unit of measure &v3&. The units of measure are
not in the same dimension.
<ZH>Note:</>
The base unit of measure is defined in the basic data of the material.

System Response

INCLUDE EHS_NA_STOP OBJECT DOKU ID TX

How to fix this error?

Make sure that the unit of measure of the bill of material item and the
base unit of measure of the bill of material are in the same dimension.
<ZH>Example:</>
The following units of measure are in the same dimension:
Kilogram, Gram, Milligram
Liter, Milliliter

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CM_BOMBOS025 - The unit of measure cannot be converted ?

  The SAP error message CM_BOMBOS025, which states "The unit of measure cannot be converted," typically occurs in the context of material management, production planning, or inventory management when there is an issue with the conversion of units of measure (UoM) for a material.
  Causes:
  
  Missing Conversion Factors: The unit of measure conversion factors may not be defined in the material master for the specific material.
  Incorrect UoM Settings: The UoM settings in the material master may be incorrect or inconsistent.
  Incompatible UoMs: The UoMs being used may not be compatible for conversion (e.g., trying to convert between units that are not logically convertible).
  Data Inconsistencies: There may be inconsistencies in the data related to the material or its UoM settings.
  Configuration Issues: There may be issues in the configuration of the UoM in the system settings.
  
  Solutions:
  
  
  Check Material Master: 
  
  Go to the material master record (transaction code MM03) and check the UoM settings. Ensure that the base unit of measure and any alternative units of measure have the correct conversion factors defined.
  
  
  
  Define Conversion Factors:
  
  If conversion factors are missing, you can define them in the material master. Navigate to the "Units of Measure" view and add the necessary conversion factors.
  
  
  
  Review UoM Configuration:
  
  Check the configuration of units of measure in the system (transaction code OME1) to ensure that the UoMs are set up correctly and that the conversion factors are valid.
  
  
  
  Validate UoM Compatibility:
  
  Ensure that the UoMs you are trying to convert between are compatible. For example, you cannot convert between weight and volume without a specific conversion factor.
  
  
  
  Check for Data Inconsistencies:
  
  Run consistency checks on the material data to identify any discrepancies that may be causing the issue.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on UoM conversion issues.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  MM03 (Display Material Master)
  OME1 (Maintain Units of Measure)
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to UoM conversion.
  User Exits and BAdIs: If custom logic is involved, check for any user exits or BAdIs that may affect UoM conversion.
  
  If the issue persists after checking these areas, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in material management or inventory management.