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

SAP Error Message - Details

• 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 settings for the document type. Ensure that it is set to allow internal number assignment only.
  
  
  
  Use Internal Number Assignment:
  
  When creating a document, ensure that you are not trying to manually enter a document number. Instead, let the system generate the document number automatically.
  
  
  
  Change Document Type Configuration (if necessary):
  
  If there is a business requirement to allow external number assignment for this document type, you can change the configuration to allow external number assignment. However, this should be done with caution and in accordance with your organization's policies.
  
  
  
  Consult with SAP Basis or Functional Consultant:
  
  If you are unsure about making changes to the configuration, it is advisable to consult with an SAP Basis or functional consultant who can provide guidance based on your specific system setup and business requirements.
  
  
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like OBY6 (for document types) or FB01 (to post documents) to navigate to the relevant areas in SAP.
  Documentation: Refer to SAP Help documentation for detailed information on document types and number assignment.
  Testing: After making any changes, conduct thorough testing to ensure that the document type behaves as expected and that the error does not recur.
  
  By following these steps, you should be able to resolve the error message 26014 and ensure proper document processing in SAP.