How To Fix M&306 - Reference segment for new segments

SAP Error Message - Details

• Message type: E = Error

• Message class: M& -

• Message number: 306

• Message text: Reference segment for new segments

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message M&306 - Reference segment for new segments ?

  The SAP error message M&306, which states "Reference segment for new segments," typically occurs in the context of material management and inventory management processes. This error is related to the configuration of material master records, particularly when dealing with segment information in the context of material types or valuation classes.
  Cause:
  The error usually arises due to one of the following reasons:
  
  
  Missing Reference Segment: The system is unable to find a reference segment for the new segment being created. This can happen if the configuration for the material type or valuation class is incomplete or incorrect.
  
  
  Incorrect Configuration: The configuration settings in the material master or the related customizing settings in the SAP system may not be set up properly, leading to inconsistencies.
  
  
  Data Inconsistencies: There may be inconsistencies in the data entered for the material master records, such as missing mandatory fields or incorrect entries.
  
  
  Solution:
  To resolve the M&306 error, you can take the following steps:
  
  
  Check Material Master Configuration:
  
  Go to the transaction code OMN1 (or SPRO for customizing) and check the configuration for the material types and valuation classes.
  Ensure that the reference segments are correctly defined for the material types you are working with.
  
  
  
  Review Material Master Data:
  
  Use transaction code MM03 to display the material master data and check for any missing or incorrect entries.
  Ensure that all required fields are filled out correctly.
  
  
  
  Check for Customizing Settings:
  
  Verify the customizing settings related to the material management module. This includes checking the settings for the valuation area and the relevant segments.
  
  
  
  Consult Documentation:
  
  Review SAP documentation or notes related to the specific version of SAP you are using. There may be specific notes or patches that address this error.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the above points, consider reaching out to SAP support for further assistance. They may provide additional insights or solutions based on the specific configuration of your system.
  
  
  
  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: Search for SAP Notes related to error M&306 in the SAP Support Portal for any specific fixes or recommendations.
  Training and Documentation: Consider reviewing SAP training materials or documentation related to material management and master data management for a deeper understanding of the configuration and processes involved.
  
  By following these steps, you should be able to identify and resolve the cause of the M&306 error in your SAP system.