How To Fix M2429 - & : Source unit missing

SAP Error Message - Details

• Message type: E = Error

• Message class: M2 - LIS: Generating and updating info structures

• Message number: 429

• Message text: & : Source unit missing

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message M2429 - & : Source unit missing ?

  The SAP error message M2429, which states "Source unit missing," typically occurs in the context of inventory management or material movements. This error indicates that the system cannot find the source unit of measure for a material during a transaction, such as a goods movement or inventory transfer.
  Causes:
  
  Missing Unit of Measure (UoM) Configuration: The material may not have a defined source unit of measure in the material master data.
  Incorrect Material Master Data: The material master may not be properly maintained, leading to missing or incorrect data.
  Inconsistent Data: There may be inconsistencies in the data related to the material, such as missing entries in the unit of measure table.
  Transaction Type Issues: The specific transaction type being executed may not be compatible with the current configuration of the material.
  
  Solutions:
  
  
  Check Material Master Data:
  
  Go to the material master (transaction code MM03) and check the unit of measure settings.
  Ensure that the source unit of measure is defined and correctly configured.
  
  
  
  Maintain Unit of Measure:
  
  If the source unit of measure is missing, you can add it by using transaction code MM02 to edit the material master.
  Navigate to the "Units of Measure" view and ensure that the source unit is included.
  
  
  
  Review Configuration:
  
  Check the configuration settings in the SAP system related to units of measure. This can be done through transaction code SPRO and navigating to the relevant configuration settings for materials management.
  
  
  
  Check Transaction Type:
  
  Ensure that the transaction type you are using is appropriate for the material and that it supports the units of measure defined.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or help resources for specific guidance on the error message and related transactions.
  
  
  
  Contact Support:
  
  If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  
  
  Related Information:
  
  Transaction Codes: MM03 (Display Material), MM02 (Change Material), SPRO (Customizing).
  Unit of Measure Tables: Check tables like T006 (Units of Measure) and T006A (Units of Measure for Different Languages) for relevant entries.
  SAP Notes: Search for SAP Notes related to error M2429 for any specific fixes or updates provided by SAP.
  
  By following these steps, you should be able to identify and resolve the cause of the M2429 error in your SAP system.