How To Fix VK20020 - Program error: Document number not assigned

VK20020 - Overview

• Message type: E = Error

• Message class: VK20 - Messages for Reporting

• Message number: 020

• Message text: Program error: Document number not assigned

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message VK20020 - Program error: Document number not assigned ?

  The SAP error message VK20020, which states "Program error: Document number not assigned," typically occurs in the context of pricing or billing documents in SAP. This error indicates that the system is unable to find or assign a document number for a pricing document, which can disrupt processes such as sales order processing, billing, or invoice generation.
  Causes:
  
  Missing Document Number Assignment: The system may not have a valid number range assigned for the document type you are working with.
  
  Configuration Issues: There may be issues in the configuration of the pricing procedure or document types in the SAP system.
  Database Issues: There could be inconsistencies or corruption in the database that prevent the system from retrieving or assigning document numbers.
  User Authorizations: The user may not have the necessary authorizations to create or modify documents, leading to this error.
  Custom Code Issues: If there are custom enhancements or modifications in the pricing logic, they may