How To Fix M3647 - Maintain the conversion factor for the alternative unit &

SAP Error Message - Details

• Message type: E = Error

• Message class: M3 - Material Master

• Message number: 647

• Message text: Maintain the conversion factor for the alternative unit &

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 M3647 - Maintain the conversion factor for the alternative unit & ?

  The SAP error message M3647, which states "Maintain the conversion factor for the alternative unit &," typically occurs when there is a missing conversion factor for an alternative unit of measure in the material master data. This error is common in scenarios where materials are managed with multiple units of measure, and the system requires a defined conversion factor to convert between the base unit and the alternative unit.
  Cause:
  
  Missing Conversion Factor: The primary cause of this error is that the conversion factor for the alternative unit of measure has not been maintained in the material master.
  Incorrect Unit of Measure Configuration: The alternative unit of measure may not be properly configured in the system.
  Material Master Data Issues: The material master data may be incomplete or incorrectly set up.
  
  Solution:
  To resolve the error, you need to maintain the conversion factor for the alternative unit of measure in the material master. Here are the steps to do this:
  
  
  Access Material Master:
  
  Go to transaction code MM02 (Change Material) or MM01 (Create Material) in SAP.
  
  
  
  Select the Material:
  
  Enter the material number for which you are receiving the error.
  
  
  
  Select Views:
  
  Choose the appropriate views to maintain (usually the "Basic Data" or "Purchasing" views).
  
  
  
  Maintain Units of Measure:
  
  Navigate to the "Units of Measure" section.
  Here, you can add or edit the alternative unit of measure and specify the conversion factor relative to the base unit of measure.
  
  
  
  Save Changes:
  
  After entering the conversion factor, save your changes.
  
  
  
  Check for Other Issues:
  
  If the error persists, ensure that the alternative unit of measure is correctly defined in the system and that there are no other related configuration issues.
  
  
  
  Related Information:
  
  Unit of Measure Configuration: Ensure that the alternative unit of measure is defined in the system. You can check this in the configuration settings under SPRO -> Logistics - General -> Material Master -> Basic Settings -> Define Units of Measure.
  Documentation: Refer to SAP Help documentation for more details on managing material master data and units of measure.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM02, MM01, MM03 (Display Material), and MMBE (Stock Overview) for managing material data.
  
  By following these steps, you should be able to resolve the M3647 error and maintain the necessary conversion factors for your materials in SAP.