How To Fix V1318 - External number assignment is not defined for document type &

SAP Error Message - Details

• Message type: E = Error

• Message class: V1 - Verkaufsbelegbearbeitung

• Message number: 318

• Message text: External number assignment is not defined for document type &

What causes this issue?

For document type &V1&, no external <GL:number_range>number range</> is
defined. Therefore, external <GL:number_assignment>number assignment</>
is not possible.
INCLUDE 'NA_NO_PROCESSING_2' OBJECT DOKU ID TX LANGUAGE EN
INCLUDE 'NA_CHECK_ENTRY' OBJECT DOKU ID TX LANGUAGE EN
If you want external number assignment to be allowed, you must specify
an external number range for this document type.
INCLUDE 'NA_CUST_MAINTAIN_3' OBJECT DOKU ID TX LANGUAGE EN

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message V1318 - External number assignment is not defined for document type & ?

  The SAP error message V1318, which states "External number assignment is not defined for document type &," typically occurs when you are trying to create a document (such as a sales order, delivery, or invoice) that requires an external number assignment, but the system is not configured to allow this for the specified document type.
  Cause:
  
  Document Type Configuration: The document type you are trying to use is not set up for external number assignment in the configuration settings.
  Number Range Assignment: The number range for the document type may not be defined as "external" in the system.
  Missing Configuration: The necessary configuration for external number assignment may not have been completed in the SAP system.
  
  Solution:
  To resolve this error, you need to check and possibly modify the configuration for the document type in question. Here are the steps to do this:
  
  
  Access the Configuration:
  
  Go to the SAP Easy Access screen.
  Navigate to the following path: SPRO -> SAP Reference IMG -> Sales and Distribution -> Sales -> Sales Document -> Define Sales Document Types.
  
  
  
  Check Document Type Settings:
  
  Find the document type that is causing the error.
  Check the settings for the document type, specifically the "Number Assignment" section.
  Ensure that the number assignment is set to "External" if you want to use external number assignment.
  
  
  
  Define Number Ranges:
  
  If the document type is set to external, ensure that a number range is defined for it.
  Navigate to SPRO -> SAP Reference IMG -> Sales and Distribution -> Sales -> Sales Document -> Assign Number Ranges to Sales Document Types.
  Make sure that the number range is correctly assigned to the document type.
  
  
  
  Testing:
  
  After making the necessary changes, test the document creation process again to see if the error persists.
  
  
  
  Related Information:
  
  Number Ranges: In SAP, number ranges can be defined as either internal or external. Internal number ranges are automatically assigned by the system, while external number ranges require the user to input a number.
  Document Types: Different document types in SAP (like sales orders, deliveries, etc.) can have different configurations, including how numbers are assigned.
  Authorization: Ensure that you have the necessary authorizations to make changes to the configuration settings.
  
  If you continue to experience issues after checking the configuration, it may be helpful to consult with your SAP Basis or functional team for further assistance.