How To Fix CE342 - Conversion from unit & to unit & is not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: CE - CAPP messages

• Message number: 342

• Message text: Conversion from unit & to unit & is not possible

What causes this issue?

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

You cannot convert from unit &V1& to unit &V2&.

System Response

How to fix this error?

INCLUDE NA_SYSAD1
(&V3&, SY-SUBRC = &V4&)

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CE342 - Conversion from unit & to unit & is not possible ?

  The SAP error message CE342, which states "Conversion from unit & to unit & is not possible," typically occurs when there is an issue with unit conversion in the system. This can happen in various contexts, such as during the processing of materials, production orders, or inventory management.
  Causes:
  
  Missing Unit of Measure (UoM) Conversion: The system does not have a defined conversion factor between the two units of measure involved in the transaction.
  Incorrect Configuration: The unit of measure settings in the material master or other relevant configuration settings may be incorrect or incomplete.
  Unit of Measure Group Issues: The units of measure may not belong to the same unit of measure group, which is necessary for conversion.
  Data Inconsistencies: There may be inconsistencies in the data related to the units of measure in the system.
  
  Solutions:
  
  
  Check Unit of Measure Settings:
  
  Go to the material master (transaction code MM03) and check the units of measure defined for the material in question.
  Ensure that the conversion factors between the units are correctly defined.
  
  
  
  Define Conversion Factors:
  
  If the conversion factor is missing, you can define it in the material master under the "Units of Measure" view.
  Use transaction code CUNI to maintain unit of measure conversions if necessary.
  
  
  
  Review Unit of Measure Groups:
  
  Ensure that the units of measure you are trying to convert belong to the same unit of measure group. You can check this in the configuration settings.
  
  
  
  Check Configuration:
  
  Review the configuration settings in SPRO (SAP Reference IMG) under Logistics > General > Material Master > Basic Settings > Units of Measure to ensure everything is set up correctly.
  
  
  
  Data Consistency Check:
  
  Run consistency checks to ensure that there are no data inconsistencies in the material master or related tables.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on unit of measure configuration and troubleshooting.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  MM03: Display Material Master
  CUNI: Maintain Units of Measure
  SPRO: SAP Reference IMG for configuration settings
  
  
  
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to unit conversions.
  
  
  User Forums: Consider checking SAP community forums or user groups for similar issues and solutions shared by other users.
  
  
  By following these steps, you should be able to identify the cause of the CE342 error and implement the necessary solutions to resolve it.