How To Fix V1805 - A preceding document has already been assigned to the document header

SAP Error Message - Details

• Message type: E = Error

• Message class: V1 - Verkaufsbelegbearbeitung

• Message number: 805

• Message text: A preceding document has already been assigned to the document header

What causes this issue?

You have tried to assign a contract to the document header but it is
already assigned to preceding document &V1&.

System Response

The system does not allow you to carry out any more assignments.

How to fix this error?

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

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 V1805 - A preceding document has already been assigned to the document header ?

  The SAP error message V1805, which states "A preceding document has already been assigned to the document header," typically occurs in the context of sales and distribution (SD) processes. This error indicates that the system has detected that a document (such as a sales order, delivery, or invoice) is already linked to the document header you are trying to process.
  Causes:
  
  Duplicate Document Assignment: The document you are trying to create or modify is attempting to reference a document that has already been assigned to the same header.
  Incorrect Document Flow: There may be an issue with the sequence of document processing, where a document is being processed out of order.
  System Configuration: There may be specific configurations or settings in the SAP system that enforce unique document assignments.
  
  Solutions:
  
  Check Document Assignment: Review the document header to see which document is already assigned. You can do this by navigating to the document in question and checking its details.
  Use the Correct Document: If you are trying to create a new document, ensure that you are not inadvertently trying to assign it to a header that already has a document linked.
  Review Document Flow: Ensure that you are following the correct sequence of document processing. For example, if you are trying to create an invoice, ensure that the corresponding delivery or sales order has been processed correctly.
  Consult with SAP Support: If the issue persists, it may be beneficial to consult with your SAP support team or refer to SAP Notes for any known issues or patches related to this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as VA01 (Create Sales Order), VA02 (Change Sales Order), and VL01N (Create Outbound Delivery) to navigate through the documents.
  SAP Documentation: Refer to SAP Help documentation for detailed information on document flow in the Sales and Distribution module.
  Debugging: If you have access to debugging tools, you can analyze the program logic to identify where the error is being triggered.
  
  By following these steps, you should be able to identify the cause of the error and take appropriate action to resolve it.