How To Fix 26014 - Document type & can only be assigned numbers internally

26014 - Overview

• Message type: E = Error

• Message class: 26 - Dokumentenverwaltung

• Message number: 014

• Message text: Document type & can only be assigned numbers internally

What causes this issue?

You want to create a document of document type &V1& and assign the
document number <ZH>externally</>.
Via settings in Customizing (Document management), it is defined that
document numbers are only assigned <ZH>internally</> by the system for
document type &V1&.

How to fix this error?

Remove your entry for the document number by entering "!" at the
beginning of the field.
When you save the document, you see a message telling you which
document number was created.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 26014 - Document type & can only be assigned numbers internally ?

  The SAP error message 26014, which states "Document type & can only be assigned numbers internally," typically occurs when there is an attempt to use a document type that is configured to only accept internal number assignment, but an external number is being used or assigned.
  
  Cause:
  
  Document Type Configuration: The document type in question is set up in the system to only allow internal number assignment. This means that the system generates the document numbers automatically, and users cannot manually assign or input document numbers.
  Incorrect Number Assignment: An attempt to create or post a document using an external number (manually entered) when the document type is configured for internal numbering.
  
  
  Solution:
  
  
  Check Document Type Settings:
  
  Go to the configuration settings for the document type in question. This can typically be found in the SAP menu under:
  SPRO ? Financial Accounting ? Financial Accounting Global Settings ? Document ? Document Types ? Define Document Types.
  
  
  Verify the