IM450 - No conversion of units of measure possible

SAP Error Message - Details

• Message type: E = Error

• Message class: IM - Maintenance notifications

• Message number: 450

• Message text: No conversion of units of measure possible

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message IM450 - No conversion of units of measure possible ?

  The SAP error message IM450 "No conversion of units of measure possible" typically occurs when there is an attempt to convert between different units of measure (UoM) in a transaction, but the system cannot find a valid conversion factor. This can happen in various contexts, such as inventory management, material movements, or when processing goods receipts.
  Causes:
  
  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 unit of measure being used may not be valid for the material or may not be set up correctly in the material master.
  Material Master Settings: The material master may not have the necessary UoM settings configured properly.
  Inconsistent UoM: There may be inconsistencies in the UoM settings across different documents or transactions.
  Configuration Issues: There may be issues in the configuration of the UoM in the SAP system.
  
  Solutions:
  
  
  Check Material Master:
  
  Go to the material master (transaction code MM03) and check the "Units of Measure" view.
  Ensure that the required UoMs are defined and that conversion factors are set up correctly.
  
  
  
  Define Conversion Factors:
  
  If conversion factors are missing, you can define them in the material master under the "Units of Measure" section.
  Use transaction code MM02 to edit the material master and add the necessary conversion factors.
  
  
  
  Review UoM Configuration:
  
  Check the configuration settings for units of measure in the SAP system (transaction code OME1 for defining UoM).
  Ensure that the UoM types and conversion factors are correctly configured.
  
  
  
  Check Transaction Data:
  
  Review the transaction data where the error occurred to ensure that the correct UoMs are being used.
  Make sure that the UoM in the transaction matches the UoM defined in the material master.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for additional guidance on UoM configuration and troubleshooting.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Unit of Measure Types: Understand the different types of UoMs (base unit, alternative unit, etc.) and how they relate to each other.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM03 (Display Material), MM02 (Change Material), and OME1 (Define Units of Measure).
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to UoM conversions.
  
  By following these steps, you should be able to identify and resolve the cause of the IM450 error in SAP.