How To Fix M1023 - Document &1 is not a funds reservation (wrong document category &1)

SAP Error Message - Details

• Message type: E = Error

• Message class: M1 - Internal RW Documents

• Message number: 023

• Message text: Document &1 is not a funds reservation (wrong document category &1)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message M1023 - Document &1 is not a funds reservation (wrong document category &1) ?

  The SAP error message M1023, which states "Document &1 is not a funds reservation (wrong document category &1)," typically occurs in the context of the Funds Management (FM) module when there is an attempt to process a document that is not classified as a funds reservation. This error can arise in various scenarios, such as when trying to post a document or when executing a transaction that expects a funds reservation document.
  Cause:
  
  Incorrect Document Type: The document you are trying to process is not of the type that is expected for funds reservations. This could happen if the document is a different category, such as an invoice or a purchase order.
  Configuration Issues: There may be configuration issues in the Funds Management settings that define which document types are considered valid for funds reservations.
  Data Entry Errors: The document number entered may be incorrect or may not exist in the system.
  Document Status: The document may be in a status that does not allow it to be processed as a funds reservation.
  
  Solution:
  
  Verify Document Type: Check the document type of the document you are trying to process. Ensure that it is indeed a funds reservation document. You can do this by looking up the document in the relevant transaction (e.g., using transaction codes like FMX1, FMX2, etc.).
  Check Configuration: Review the configuration settings in the Funds Management module to ensure that the document types are correctly defined and that the system recognizes the document as a funds reservation.
  Correct Document Number: Ensure that the document number you are entering is correct and exists in the system. You can use transaction codes like FB03 (Display Document) to verify the document.
  Review Document Status: Check the status of the document to ensure it is not locked or in a state that prevents it from being processed as a funds reservation.
  Consult Documentation: Refer to SAP documentation or help resources for more detailed information on the specific transaction you are using and the expected document types.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in the Funds Management module, such as:
  
  FMX1: Create Funds Reservation
  FMX2: Change Funds Reservation
  FMX3: Display Funds Reservation
  
  
  SAP Notes: Check for any SAP Notes related to this error message for potential bug fixes or additional guidance.
  User Authorization: Ensure that you have the necessary authorizations to create or modify funds reservations in the system.
  
  If the issue persists after checking the above points, it may be beneficial to consult with your SAP support team or a functional consultant who specializes in the Funds Management module for further assistance.