How To Fix CMM_MM011 - Conversion factor in purchase order &1 &2 could not be determined

SAP Error Message - Details

• Message type: E = Error

• Message class: CMM_MM -

• Message number: 011

• Message text: Conversion factor in purchase order &1 &2 could not be determined

What causes this issue?

The conversion factor between the order unit of measure and the base
unit of measure is not maintained.

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?

Check the details of the purchase order item.

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_MM011 - Conversion factor in purchase order &1 &2 could not be determined ?

  The SAP error message CMM_MM011 indicates that the system is unable to determine the conversion factor for a purchase order item. This typically occurs when there is a mismatch or missing information related to the unit of measure (UoM) in the purchase order or the material master data.
  Causes:
  
  Missing or Incorrect Unit of Measure: The unit of measure defined in the purchase order may not be correctly set up in the material master.
  Missing Conversion Factors: The conversion factors between different units of measure may not be defined in the material master.
  Material Master Data Issues: The material master may not have the necessary data for the specific UoM being used in the purchase order.
  Inconsistent UoM Settings: There may be inconsistencies in the UoM settings between the purchasing organization and the material master.
  Configuration Issues: There could be configuration issues in the system related to the handling of units of measure.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and check the UoM settings.
  Ensure that the base unit of measure and any alternative units of measure are correctly defined.
  Verify that the conversion factors between the units of measure are correctly maintained.
  
  
  
  Review Purchase Order:
  
  Check the purchase order (transaction code ME23N) for the specific item causing the error.
  Ensure that the unit of measure used in the purchase order is valid and corresponds to the material master.
  
  
  
  Maintain Conversion Factors:
  
  If conversion factors are missing, you can maintain them in the material master under the "Purchasing" view.
  Use transaction code MM02 to update the material master and add the necessary conversion factors.
  
  
  
  Check Configuration:
  
  If the issue persists, review the configuration settings related to units of measure in the SAP system.
  Ensure that the settings for the purchasing organization and material types are consistent.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for additional guidance on handling units of measure and related settings.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  MM02: Change Material Master
  ME23N: Display Purchase Order
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to this error message.
  User Roles: Ensure that the user has the necessary authorizations to view and edit material master data and purchase orders.
  
  By following these steps, you should be able to identify and resolve the issue causing the CMM_MM011 error message in SAP.