How To Fix LD402 - No line segments can be inserted underneath buffers

SAP Error Message - Details

• Message type: E = Error

• Message class: LD - Logistics Automotive Line Design

• Message number: 402

• Message text: No line segments can be inserted underneath buffers

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 LD402 - No line segments can be inserted underneath buffers ?

  The SAP error message LD402: No line segments can be inserted underneath buffers typically occurs in the context of Logistics and is related to the handling of line items in a document, such as a purchase order or sales order. This error indicates that the system is unable to insert new line items (or segments) under a specific buffer or grouping in the document.
  Causes:
  
  Buffer Structure: The document may have a specific structure where line items are grouped under buffers, and the system does not allow additional line items to be added under these buffers.
  Document Status: The document may be in a status that does not allow modifications, such as being locked or already processed.
  Configuration Issues: There may be configuration settings in the SAP system that restrict the addition of line items under certain conditions.
  Data Integrity Issues: There may be inconsistencies or issues with the data that prevent the addition of new line items.
  
  Solutions:
  
  Check Document Status: Ensure that the document is in a status that allows for modifications. If it is locked or completed, you may need to unlock it or create a new document.
  Review Buffer Configuration: Check the configuration settings related to the document type and buffer settings. Ensure that the system is set up to allow the addition of line items under the specified conditions.
  Use Alternative Methods: If adding line items under the buffer is not possible, consider adding new line items at the document level instead of under the buffer.
  Consult Documentation: Review SAP documentation or help resources for specific guidance on handling line items and buffers in your version of SAP.
  Contact SAP Support: If the issue persists, consider reaching out to SAP support for assistance, especially if it appears to be a system or configuration issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as ME21N (Create Purchase Order) or VA01 (Create Sales Order).
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific fixes or patches.
  User Permissions: Ensure that the user has the necessary permissions to modify the document and add line items.
  Testing in Development: If possible, replicate the issue in a development or test environment to better understand the cause without affecting production data.
  
  By following these steps, you should be able to diagnose and resolve the LD402 error in SAP.