How To Fix RU078 - Unit & cannot be converted into unit &

SAP Error Message - Details

• Message type: E = Error

• Message class: RU - Messages for order completion confirmation

• Message number: 078

• Message text: Unit & cannot be converted into unit &

What causes this issue?

The conversion between unit &V1& and unit &V2& causes an overflow.

System Response

INCLUDE 'NA_ALLG_NOVERARBEITUNG' OBJECT DOKU ID TX

How to fix this error?

Change unit &V1& to a unit that does not cause an overflow.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RU078 - Unit & cannot be converted into unit & ?

  The SAP error message RU078 indicates that there is an issue with unit conversion in the system. Specifically, it means that the system is unable to convert one unit of measure (UoM) into another due to a configuration or data issue. This error typically occurs in scenarios involving material management, inventory management, or production planning where different units of measure are used.
  Cause:
  
  Missing Conversion Factors: The most common cause is that the conversion factors between the two units of measure are not defined in the system.
  Incorrect Unit of Measure: The units being used may not be compatible or may not exist in the system.
  Configuration Issues: There may be issues in the configuration of the material master or the unit of measure settings.
  Data Entry Errors: Incorrect data entry when creating or updating material records can lead to this error.
  
  Solution:
  
  
  Check Unit of Measure Configuration:
  
  Go to the transaction code CUNI (Unit of Measure Conversion) to check if the conversion factors between the units are defined.
  Ensure that the units of measure are correctly configured in the material master (transaction code MM02).
  
  
  
  Define Conversion Factors:
  
  If the conversion factors are missing, you can define them in the unit of measure settings. Make sure to specify the correct base unit of measure and the corresponding conversion factors.
  
  
  
  Review Material Master Data:
  
  Check the material master data for the affected material. Ensure that the units of measure are correctly assigned and that there are no discrepancies.
  
  
  
  Check for Data Entry Errors:
  
  Review any recent changes made to the material or transaction data that might have led to this error. Correct any inconsistencies.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for specific guidance on unit of measure configuration and troubleshooting.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  CUNI: Unit of Measure Conversion
  MM02: Change Material Master
  MM03: Display Material Master
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to unit of measure conversions.
  User Roles: Ensure that the user has the necessary permissions to make changes to unit of measure settings and material master data.
  
  By following these steps, you should be able to identify and resolve the cause of the RU078 error in SAP. If the issue persists, consider reaching out to your SAP support team for further assistance.