How To Fix RM810 - Error during unit conversion

SAP Error Message - Details

• Message type: E = Error

• Message class: RM - Messages for Repetitive Manufacturing

• Message number: 810

• Message text: Error during unit conversion

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.

System Response

An error occurred when converting the units.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message RM810 - Error during unit conversion ?

  The SAP error message RM810, which indicates "Error during unit conversion," typically occurs when there is an issue with converting units of measure in the system. This can happen in various contexts, such as during the processing of materials, inventory management, or production planning.
  Causes of RM810 Error
  
  
  Incorrect Unit of Measure Configuration: The unit of measure (UoM) for the material may not be correctly defined in the material master data. This includes missing or incorrect conversion factors.
  
  
  Missing Conversion Factors: If the conversion factors between different units of measure are not maintained in the system, SAP will not be able to perform the necessary conversions.
  
  
  Inconsistent UoM Usage: The system may encounter inconsistencies in the usage of units of measure across different documents or transactions.
  
  
  Data Entry Errors: Manual entry errors during transactions can lead to invalid unit conversions.
  
  
  Custom Code Issues: If there are custom developments or enhancements in the system, they may interfere with standard unit conversion processes.
  
  
  Solutions to RM810 Error
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and verify the unit of measure settings.
  Ensure that the base unit of measure and alternative units of measure are correctly defined.
  
  
  
  Maintain Conversion Factors:
  
  Use transaction code CUNI to maintain unit of measure conversions. Ensure that all necessary conversion factors are defined and accurate.
  
  
  
  Review Transaction Data:
  
  Check the specific transaction that triggered the error. Look for any inconsistencies in the units of measure used.
  
  
  
  Correct Data Entry:
  
  If the error is due to manual data entry, correct the entries and reprocess the transaction.
  
  
  
  Consult with Technical Team:
  
  If the issue persists, consult with your technical team to check for any custom code that may be affecting unit conversions.
  
  
  
  SAP Notes and Support:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates that resolve known issues.
  
  
  
  Related Information
  
  
  Unit of Measure (UoM): Understanding how UoMs work in SAP is crucial. Each material can have multiple UoMs, and the system uses conversion factors to translate between them.
  
  
  Transaction Codes:
  
  MM03: Display Material Master
  CUNI: Maintain Units of Measure
  MB1A: Goods Withdrawal
  MB1B: Transfer Posting
  
  
  
  Documentation: Refer to SAP Help documentation for detailed information on unit of measure management and error handling.
  
  
  By following these steps, you should be able to identify and resolve the RM810 error effectively. If the problem continues, consider reaching out to SAP support for further assistance.