How To Fix O4112 - Unable to convert between units of measure & and & for material &

SAP Error Message - Details

• Message type: E = Error

• Message class: O4 - IS-Oil: MAP message pool

• Message number: 112

• Message text: Unable to convert between units of measure & and & for material &

What causes this issue?

No conversion has been defined for the given units of measure for this
material.

System Response

The system is therefore unable to convert between these units of
measure; processing cannot continue without such a conversion.

How to fix this error?

Define the conversion for these units of measure in the material master
record (transaction MM02). Go to the basic data view and access the
units of measure screen, then define all neccessary conversions for the
different units of measure required.

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message O4112 - Unable to convert between units of measure & and & for material & ?

  The SAP error message O4112 "Unable to convert between units of measure & and & for material &" typically occurs when there is an issue with the unit of measure (UoM) conversion for a specific material in the system. This error can arise in various scenarios, such as during goods movements, inventory management, or when creating purchase orders.
  Cause:
  
  Missing Conversion Factors: The most common cause of this error is that the conversion factors between the two units of measure are not defined in the material master data.
  Incorrect Unit of Measure Settings: The units of measure may not be correctly set up in the material master, or the relationship between the base unit and alternative units may be incorrect.
  Inactive Units of Measure: The units of measure involved may be inactive or not properly configured in the system.
  Material Master Data Issues: There may be issues with the material master data itself, such as missing or incorrect information.
  
  Solution:
  
  
  Check Material Master Data:
  
  Go to the material master record (transaction code MM03).
  Check the "Basic Data" and "Purchasing" views to ensure that the units of measure are correctly defined.
  Verify that the base unit of measure and any alternative units of measure have the correct conversion factors.
  
  
  
  Define Conversion Factors:
  
  If conversion factors are missing, you can define them in the material master.
  In the "Units of Measure" section, ensure that the conversion factors between the base unit and alternative units are correctly specified.
  
  
  
  Check Unit of Measure Configuration:
  
  Use transaction code CUNI to check the configuration of units of measure in the system.
  Ensure that the units of measure involved in the error are active and properly configured.
  
  
  
  Review Related Settings:
  
  Check if there are any specific settings or configurations in the relevant modules (like MM, SD, etc.) that might affect unit conversions.
  
  
  
  Test the Changes:
  
  After making the necessary changes, test the transaction again to see if the error persists.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material Master
  CUNI: Maintain Units of Measure
  
  
  Documentation: Refer to SAP Help documentation for detailed information on unit of measure management and material master data.
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to unit of measure conversions.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or refer to SAP community forums for additional assistance.