How To Fix IRW_LT080 - Header entry should have lowest sequence number(see long text)

SAP Error Message - Details

• Message type: E = Error

• Message class: IRW_LT - ILM LT

• Message number: 080

• Message text: Header entry should have lowest sequence number(see long text)

What causes this issue?

Header entry should have the lowest sequence number

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?

The header entry is the row with the lowest sequence number in the
structure definitions.
The parent table and child table entries should be the same for the
header entry in the structure definition.
There should be only one header entry in any structure definitions.
In the example, you can see the SFLIGHT is the Header entry and you can
see that SFLIGHT- SFLIGHT entry has the lowest sequence number.
Sequence Parent Table Child Table
009 SFLIGHT SFLIGHT
010 SFLIGHT SBOOK

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message IRW_LT080 - Header entry should have lowest sequence number(see long text) ?

  The SAP error message IRW_LT080, which states "Header entry should have lowest sequence number," typically occurs in the context of handling logistics and transportation management within SAP. This error is related to the sequence of entries in a logistics document, such as a delivery or shipment, where the system expects the header entry to have the lowest sequence number.
  Cause:
  
  Incorrect Sequence Numbering: The error usually arises when there are multiple entries (e.g., items or sub-items) associated with a logistics document, and the system detects that the header entry does not have the lowest sequence number. This can happen if entries were added or modified in a way that disrupts the expected order.
  Data Integrity Issues: There may be inconsistencies in the data, such as manual changes or incorrect data imports that lead to sequence number misalignment.
  Custom Development: If there are custom enhancements or modifications in the SAP system, they might inadvertently affect the sequence numbering logic.
  
  Solution:
  
  Check Sequence Numbers: Review the sequence numbers of the entries associated with the logistics document. Ensure that the header entry has the lowest sequence number. You may need to adjust the sequence numbers manually or through a program if they are incorrect.
  Recreate the Document: If the document is corrupted or the sequence numbers are too far out of alignment, it may be easier to recreate the document from scratch.
  Data Consistency Check: Run data consistency checks in the relevant modules to identify and correct any discrepancies in the data.
  Consult Documentation: Refer to SAP documentation or notes related to this error message for specific guidance or patches that may address the issue.
  Contact SAP Support: If the issue persists and cannot be resolved through the above steps, consider reaching out to SAP support for assistance. They may provide insights based on the specific version of SAP you are using.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that may help in troubleshooting, such as VL03N (Display Outbound Delivery) or VL02N (Change Outbound Delivery).
  SAP Notes: Search for SAP Notes related to IRW_LT080 for any known issues or fixes.
  Logistics Configuration: Review the configuration settings in the logistics module to ensure that they are set up correctly and that there are no customizations that could lead to this error.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.