How To Fix GI562 - The document type uses external number assignment (see long text)

GI562 - Overview

• Message type: E = Error

• Message class: GI - FI-SL update

• Message number: 562

• Message text: The document type uses external number assignment (see long text)

What causes this issue?

You have chosen a document type with external number assignment and
want to reverse several documents, but it is not possible to do this.

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?

Enter a document type with internal number assignment. If you want
you want to use your own number assignment, enter ONE document only to
be reversed.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message GI562 - The document type uses external number assignment (see long text) ?

  The SAP error message GI562 indicates that there is an issue with the document type you are trying to use, specifically that it is set up for external number assignment. This means that the system expects you to provide a document number manually, rather than generating one automatically.
  
  Cause:
  The error occurs when:
  
  You are trying to post a document (like a goods movement or invoice) using a document type that is configured for external number assignment.
  The system is expecting a document number to be entered manually, but it is either missing or incorrectly formatted.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Document Type Configuration:
  
  Go to the configuration settings for the document type in question (e.g., via transaction code OBA7 for document types).
  Verify that the document type is indeed set for external number assignment.
  
  
  
  Enter a Document Number:
  
  When posting the document, ensure that you manually enter a valid document number that adheres