How To Fix OD027 - Quantity conversion of material &1 from UoM &2 to UoM &3 failed (RC=&4).

SAP Error Message - Details

• Message type: E = Error

• Message class: OD - IS-Oil: TSW Traders' and Schedulers' Workbench messages

• Message number: 027

• Message text: Quantity conversion of material &1 from UoM &2 to UoM &3 failed (RC=&4).

What causes this issue?

The UoM conversion (without ATSM) failed.
The return code here means:
1 Conversion not found
2 Input invalid
3 Material not found
4 Alternative UoM not found
5 Base UoM is missing in the material master data
6 Alternative UoM is missing
7 Output invalid
8 Overflow
9 Others

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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message OD027 - Quantity conversion of material &1 from UoM &2 to UoM &3 failed (RC=&4). ?

  The SAP error message OD027 indicates that there was a failure in converting the quantity of a material from one unit of measure (UoM) to another. This can occur in various scenarios, such as during goods movements, inventory management, or when processing sales orders.
  Cause:
  The error can be caused by several factors, including:
  
  Missing Conversion Factors: The conversion factors between the two units of measure are not defined in the material master data.
  Incorrect UoM Configuration: The units of measure may not be correctly configured in the system, leading to issues during conversion.
  Inconsistent Data: There may be inconsistencies in the data related to the material, such as incorrect settings in the material master or unit of measure settings.
  Unit of Measure Group Issues: The material may not belong to the correct unit of measure group, or the group may not be properly defined.
  Quantity Issues: The quantity being converted may not be valid for the specified UoMs.
  
  Solution:
  To resolve the OD027 error, you can take the following steps:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and check the unit of measure settings.
  Ensure that the conversion factors between the UoMs are defined correctly in the "Units of Measure" view.
  
  
  
  Define Conversion Factors:
  
  If conversion factors are missing, you can define them in the material master. Navigate to the "Units of Measure" section and add the necessary conversion factors.
  
  
  
  Review UoM Configuration:
  
  Check the configuration of the units of measure in the system (transaction code OME1 for unit of measure groups).
  Ensure that the UoMs are correctly set up and that the material is assigned to the appropriate unit of measure group.
  
  
  
  Validate Quantity:
  
  Ensure that the quantity being processed is valid and can be converted between the specified UoMs.
  
  
  
  Check for Custom Code:
  
  If there are any custom developments or enhancements in the system that might affect quantity conversion, review them for potential issues.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for additional guidance on unit of measure conversions and related settings.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), OME1 (Maintain Unit of Measure Groups).
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional solutions related to this error message.
  Unit of Measure Groups: Understanding how unit of measure groups work in SAP can help in troubleshooting and configuring materials correctly.
  
  By following these steps, you should be able to identify and resolve the cause of the OD027 error in SAP.