How To Fix LD408 - Sort buffers can only be defined in the main production line

SAP Error Message - Details

• Message type: E = Error

• Message class: LD - Logistics Automotive Line Design

• Message number: 408

• Message text: Sort buffers can only be defined in the main production line

What causes this issue?

You have tried to define a line segment in a feeder production line as
a sort buffer.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message LD408 - Sort buffers can only be defined in the main production line ?

  The SAP error message LD408 indicates that sort buffers can only be defined in the main production line. This error typically occurs in the context of production planning and control, particularly when dealing with production orders and routing in SAP.
  Cause:
  The error arises when there is an attempt to define sort buffers in a production line that is not designated as the main production line. In SAP, sort buffers are used to manage the flow of materials and production processes, and they must be associated with the primary production line to ensure proper scheduling and resource allocation.
  Solution:
  To resolve the LD408 error, you can take the following steps:
  
  
  Check Production Line Configuration:
  
  Verify that the production line you are working with is correctly set up as the main production line in the system. You can do this by navigating to the relevant configuration settings in SAP.
  
  
  
  Define Sort Buffers in the Main Production Line:
  
  If you need to define sort buffers, ensure that you are doing so in the main production line. You may need to adjust your production planning or routing to align with this requirement.
  
  
  
  Review Routing and Production Order:
  
  Check the routing associated with the production order to ensure that it is linked to the correct main production line. If necessary, update the routing to reflect the correct production line.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources for more detailed guidance on configuring production lines and sort buffers.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the configuration and routing, consider reaching out to SAP support for further assistance. They can provide insights specific to your system setup.
  
  
  
  Related Information:
  
  Production Planning (PP): Understanding the broader context of production planning in SAP can help in troubleshooting issues related to production lines and sort buffers.
  Routing: Familiarize yourself with how routing works in SAP, as it plays a crucial role in defining production processes and the associated resources.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional context on handling sort buffers and production lines.
  
  By following these steps, you should be able to resolve the LD408 error and ensure that your production processes are configured correctly in SAP.