How To Fix GP165 - Number assignment for document type & is external

GP165 - Overview

• Message type: E = Error

• Message class: GP - FI-SL and CO planning

• Message number: 165

• Message text: Number assignment for document type & is external

What causes this issue?

A document type with external number assignment is assigned to the
planning parameter. However, only internal number assignment is
supported for planning.

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?

Error message extract from SAP system. Copyright SAP SE.

GP165 - Details

• The SAP error message GP165 indicates that there is an issue with the number assignment for a specific document type, which is set as external. This typically occurs in the context of document management or when dealing with document types that require unique identifiers.
  
  Cause:
  
  External Number Assignment: The document type is configured to use external number assignment, meaning that the system expects the user to provide a unique number for each document.
  Number Range Issues: The number range for the document type may not be properly defined or may be exhausted. This can happen if the number range is not set up correctly or if all available numbers have been used.
  Authorization Issues: The user may not have the necessary authorizations to create or assign numbers for the document type.
  Configuration Errors: There may be configuration errors in the document type settings or number range settings in the SAP system.
  
  
  Solution:
  
  
  Check Number Range Configuration:
  
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