How To Fix VF018 - Segment VBUK is missing.

SAP Error Message - Details

• Message type: E = Error

• Message class: VF - Billing

• Message number: 018

• Message text: Segment VBUK is 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 VF018 - Segment VBUK is missing. ?

  The SAP error message VF018, which states "Segment VBUK is missing," typically occurs during the processing of billing documents in the SAP system. This error indicates that the system is unable to find the necessary data in the VBUK segment, which is part of the billing document structure. The VBUK segment contains status information for billing documents, and its absence can lead to issues in document processing.
  Causes:
  
  Incomplete Document Creation: The billing document may not have been created completely or correctly, leading to missing segments.
  Data Inconsistencies: There may be inconsistencies in the database or issues with the underlying sales order or delivery documents.
  Custom Enhancements: Custom code or enhancements in the SAP system may inadvertently affect the creation or processing of billing documents.
  System Configuration Issues: Incorrect configuration settings in the billing process can lead to missing segments.
  
  Solutions:
  
  Check Document Creation: Verify that the billing document was created correctly. You can do this by checking the related sales order or delivery document for completeness.
  Recreate the Document: If the document is incomplete, try to recreate it. This can often resolve issues related to missing segments.
  Check for Custom Code: Review any custom enhancements or modifications that may affect the billing document processing. If necessary, consult with your ABAP developer to identify and fix any issues.
  Database Consistency Check: Run consistency checks on the database to ensure that all related documents (sales orders, deliveries, etc.) are intact and correctly linked.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve known issues.
  Consult SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They can provide more detailed troubleshooting steps based on your specific system configuration.
  
  Related Information:
  
  Transaction Codes: You may use transaction codes like VF01 (Create Billing Document), VF02 (Change Billing Document), and VF03 (Display Billing Document) to manage billing documents.
  Debugging: If you have access to debugging tools, you can analyze the program flow to identify where the VBUK segment is expected but not found.
  Documentation: Review SAP documentation related to billing processes and the structure of billing documents for a better understanding of how the VBUK segment fits into the overall process.
  
  By following these steps, you should be able to identify the cause of the VF018 error and implement a solution to resolve it.