How To Fix CMM_MTMCDS820 - No conversion factor found (mrkt to doc. UoM)

SAP Error Message - Details

• Message type: E = Error

• Message class: CMM_MTMCDS - Messages in CDS Views for Mark-to-Market Reporting

• Message number: 820

• Message text: No conversion factor found (mrkt to doc. UoM)

What causes this issue?

No conversion factor could be found for the conversion from the market
unit of measure to the document unit of measure.

System Response

The price cannot be evaluated.

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 CMM_MTMCDS820 - No conversion factor found (mrkt to doc. UoM) ?

  The SAP error message CMM_MTMCDS820 indicates that there is no conversion factor found for the market unit of measure (UoM) to the document unit of measure. This typically occurs in scenarios where you are trying to process materials or transactions that involve different units of measure, and the system cannot find a defined conversion between them.
  Cause:
  
  Missing Conversion Factors: The most common cause is that the conversion factors between the market UoM and the document UoM have not been defined in the system.
  Incorrect UoM Settings: The UoM settings for the material may not be correctly configured, leading to discrepancies.
  Material Master Data Issues: The material master data may be incomplete or incorrectly set up, particularly in the UoM section.
  Configuration Issues: There may be issues in the configuration of the UoM in the relevant SAP modules.
  
  Solution:
  
  
  Define Conversion Factors:
  
  Go to the transaction code CUNI (Unit of Measure Conversion).
  Check if the conversion factor between the market UoM and the document UoM is defined. If not, create a new entry with the appropriate conversion factor.
  
  
  
  Check Material Master Data:
  
  Use transaction code MM03 to display the material master data.
  Verify the UoM settings in the Basic Data and Purchasing views. Ensure that the market UoM and document UoM are correctly defined.
  
  
  
  Review UoM Configuration:
  
  Check the configuration settings for UoM in the relevant SAP modules (e.g., Materials Management).
  Ensure that the UoM types and conversion factors are correctly set up in the system.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for additional guidance on UoM configuration and conversion factors.
  
  
  
  Testing:
  
  After making the necessary changes, test the transaction again to ensure that the error is resolved.
  
  
  
  Related Information:
  
  Unit of Measure (UoM): In SAP, UoMs are used to define how quantities of materials are measured and processed. Different UoMs can be used for purchasing, sales, and inventory management.
  Material Master: The material master is a central repository of information about materials in SAP, including UoM settings.
  Transaction Codes:
  
  CUNI: For managing unit of measure conversions.
  MM03: To display material master data.
  MM02: To change material master data if needed.
  
  
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in materials management.