How To Fix /CWM/MD001 - Conversion of &1 to material &3 in &2 not possible

SAP Error Message - Details

• Message type: E = Error

• Message class: /CWM/MD -

• Message number: 001

• Message text: Conversion of &1 to material &3 in &2 not 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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /CWM/MD001 - Conversion of &1 to material &3 in &2 not possible ?

  The SAP error message /CWM/MD001 Conversion of &1 to material &3 in &2 not possible typically occurs in the context of Material Management (MM) or when dealing with Master Data in SAP. This error indicates that there is an issue with converting one material (identified by &1) to another material (identified by &3) in a specific context (identified by &2). 
  Causes:
  
  Material Master Data Issues: The material you are trying to convert may not exist, or there may be inconsistencies in the material master data.
  Incorrect Configuration: The configuration settings for material conversion may not be set up correctly in the system.
  Missing or Incomplete Data: Required fields or data for the conversion process may be missing or incomplete.
  Authorization Issues: The user may not have the necessary authorizations to perform the conversion.
  Incompatible Material Types: The materials involved may belong to incompatible material types or categories.
  
  Solutions:
  
  Check Material Existence: Verify that both materials (the source and target) exist in the system. Use transaction codes like MM03 to check the material master data.
  Review Configuration: Ensure that the configuration for material conversion is correctly set up in the system. This may involve checking the settings in Customizing (SPRO).
  Complete Required Data: Make sure that all required fields for the conversion process are filled out correctly. This may include checking for any mandatory fields in the material master.
  Authorization Check: Ensure that the user has the necessary authorizations to perform the conversion. This can be checked with the security team or by reviewing user roles.
  Material Type Compatibility: Confirm that the materials involved in the conversion are compatible in terms of their material types. If they are not, you may need to adjust the material types or find an alternative approach.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MM01 (Create Material), MM02 (Change Material), and MM03 (Display Material) for managing material master data.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for specific notes in the SAP Support Portal.
  Documentation: Review SAP documentation related to material management and conversion processes for additional insights and best practices.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in Material Management.