How To Fix 26168 - Document type '&' not defined

SAP Error Message - Details

• Message type: E = Error

• Message class: 26 - Dokumentenverwaltung

• Message number: 168

• Message text: Document type '&' not defined

What causes this issue?

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

System Response

How to fix this error?

Check your entry. Display the possible entries. You see a list of all
the document types defined in your company. vorgesehen sind.
If you require a new document type for the document you want to create,
contact your system administrator. The settings for document types are
defined in the customizing functions for document management.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message 26168 - Document type '&' not defined ?

  The SAP error message "26168 Document type '&' not defined" typically occurs when you are trying to post a document (such as an invoice, purchase order, or other financial document) using a document type that has not been configured in the system. This can happen in various modules, including Financial Accounting (FI), Controlling (CO), or Materials Management (MM).
  Cause:
  
  Missing Document Type Configuration: The document type you are trying to use has not been defined in the system.
  Incorrect Document Type: The document type may be incorrectly specified in the transaction you are trying to execute.
  Authorization Issues: The user may not have the necessary authorizations to use the specified document type.
  Client-Specific Configuration: The document type may be defined in another client, but not in the current client you are working in.
  
  Solution:
  
  
  Define the Document Type:
  
  Go to the transaction code OBAY (for FI) or OMH1 (for MM) to define the document type.
  Check if the document type exists. If not, create a new document type with the required settings.
  Ensure that the document type is assigned to the appropriate company code and is configured correctly.
  
  
  
  Check Configuration:
  
  Verify the configuration settings for the document type in the relevant module (FI, MM, etc.).
  Ensure that the document type is active and has the necessary settings for posting.
  
  
  
  Review Transaction Input:
  
  Double-check the transaction you are executing to ensure that the correct document type is being used.
  Make sure that there are no typos or incorrect entries in the document type field.
  
  
  
  Authorization Check:
  
  Ensure that the user has the necessary authorizations to use the document type. This can be checked with the help of your SAP security team.
  
  
  
  Client-Specific Issues:
  
  If you are working in a specific client, ensure that the document type is defined in that client. You may need to transport the configuration from another client if necessary.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  OBAY: Define Document Types for Financial Accounting
  OMH1: Define Document Types for Materials Management
  
  
  SAP Notes: Check SAP Notes for any known issues or additional guidance related to document types.
  Documentation: Refer to SAP Help documentation for detailed information on configuring document types in the relevant module.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis or functional team for further investigation.