How To Fix VO013 - Error & while writing group header

VO013 - Overview

• Message type: E = Error

• Message class: VO - W&S: Rough workload forecast + picking wave

• Message number: 013

• Message text: Error & while writing group header

What causes this issue?

One or more records were already found in the database.

System Response

Creation of the picking wave could not be carried out.

How to fix this error?

This is probably caused by an error in an ABAP program. Please contact
your system administrator.

Error message extract from SAP system. Copyright SAP SE.

VO013 - Details

• SAP Error Message:
  VO013 - Error & while writing group header
  
  
  Cause:
  The error message VO013 typically occurs during the output processing of a document (such as a sales order, delivery, billing document, etc.) when the system tries to write the group header information to the output medium (like a print spool, IDoc, or form) and encounters an issue.
  Common causes include:
  
  Incorrect or missing data in the group header fields required for output processing.
  Custom enhancements or user exits that modify the group header data incorrectly.
  Output device or spool issues that prevent writing the header.
  Form or layout problems (e.g., Smart Forms, SAPscript) where the group header is not properly defined or has errors.
  Authorization issues preventing the system from writing the header.
  Inconsistent or incomplete configuration in output determination or message control.
  
  The ampersand (&) in the message is a placeholder for additional information or a specific error detail, which can help pinpoint the exact problem.
  
  
  Solution:
  To resolve the