How To Fix WSTI_MLT_INV_DOC012 - There is no document type defined for this counting session

SAP Error Message - Details

• Message type: E = Error

• Message class: WSTI_MLT_INV_DOC - Message object for WSTI_MLT_INV_DOC

• Message number: 012

• Message text: There is no document type defined for this counting session

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WSTI_MLT_INV_DOC012 - There is no document type defined for this counting session ?

  SAP Error Message:
  
  WSTI_MLT_INV_DOC012: There is no document type defined for this counting session
  
  Cause:
  This error occurs during inventory counting processes in SAP Warehouse Management (WM) or Inventory Management (IM) when the system cannot find a document type assigned to the counting session you are trying to process. Essentially, the counting session is missing a configuration that links it to a specific document type, which is necessary for posting inventory differences or movements.
  
  Explanation:
  
  In SAP Inventory Management and Warehouse Management, counting sessions (physical inventory documents) are linked to document types that define how inventory postings are handled.
  If the counting session does not have a document type assigned, the system does not know how to post the inventory differences or create the necessary material documents.
  This can happen if the counting session was created incorrectly or if the configuration for document types related to physical inventory is incomplete or missing.
  
  
  Solution:
  
  
  Check Counting Session Configuration:
  
  Go to the transaction or customizing where counting sessions are created.
  Verify that the counting session has a valid document type assigned.
  
  
  
  Assign Document Type to Counting Session:
  
  In customizing (SPRO), navigate to:
  Logistics Execution -> Warehouse Management -> Physical Inventory -> Define Document Types for Physical Inventory
  
  Ensure that the document type relevant for the counting session is defined and assigned.
  
  
  
  Check Physical Inventory Document Type Settings:
  
  Use transaction OMJJ or relevant customizing path to check document types for inventory postings.
  Make sure the document type is active and correctly configured for the warehouse and inventory process.
  
  
  
  Recreate or Correct Counting Session:
  
  If the counting session was created manually or via a program, ensure the document type is passed correctly.
  If necessary, delete and recreate the counting session with the correct document type.
  
  
  
  Check User Exits or Enhancements:
  
  If custom code or user exits are involved in creating counting sessions, verify that the document type is correctly set in the code.
  
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  LI01 - Create Physical Inventory Document
  LI02 - Change Physical Inventory Document
  LI03 - Display Physical Inventory Document
  LI20 - Create Counting Document
  OMJJ - Define Document Types for Inventory Management
  
  
  
  SAP Notes:
  
  Check SAP Notes related to physical inventory document types and counting sessions if the problem persists.
  
  
  
  Documentation:
  
  SAP Help Portal: Physical Inventory in Warehouse Management
  SAP Library: Inventory Management and Physical Inventory
  
  
  
  
  Summary:
  The error WSTI_MLT_INV_DOC012 indicates a missing document type assignment for the counting session. To resolve it, ensure that the counting session is linked to a valid document type configured in the system. Verify customizing settings and correct the counting session setup accordingly.