How To Fix PK409 - Storage location could not be determined uniquely

SAP Error Message - Details

• Message type: E = Error

• Message class: PK - Production - KANBAN

• Message number: 409

• Message text: Storage location could not be determined uniquely

What causes this issue?

Warehouse number &v2& has been assigned several storage locations
in plant &v1&.
None of these storage locations has been defined as the standard storage
location.

System Response

Correct the data so that either the plant/warehouse number is assigned
only one storage location or so that one storage location is defined as
the standard storage location. You make this assignment in the
Customizing activity
<DS:SIMG.SIMG_SAPCOML2>Assign Warehouse Number to Plant/Storage
Location</> (Business Structure -> Assignment -> Logistics Execution).

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message PK409 - Storage location could not be determined uniquely ?

  The SAP error message PK409: Storage location could not be determined uniquely typically occurs during the process of creating or processing a production order, purchase order, or during inventory management activities. This error indicates that the system is unable to determine a unique storage location for the material in question based on the provided criteria.
  Causes:
  
  Multiple Storage Locations: The material may be assigned to multiple storage locations, and the system cannot determine which one to use based on the input data.
  Missing or Incorrect Master Data: The material master data or the plant/storage location data may be incomplete or incorrectly configured.
  Configuration Issues: The configuration settings in the system for the material or storage location may not be set up correctly.
  Batch Management: If batch management is enabled, the system may require additional information to determine the correct storage location.
  User Input Errors: Incorrect or incomplete input during the transaction can lead to this error.
  
  Solutions:
  
  Check Material Master Data: Verify that the material master data is correctly set up, including the storage locations assigned to the material. Ensure that the relevant views (e.g., Plant Data/Storage, Sales Org Data) are properly maintained.
  Review Storage Location Configuration: Ensure that the storage locations are correctly configured in the system and that they are active for the relevant plant.
  Check for Batch Information: If batch management is enabled, ensure that the batch information is correctly specified and that the batch exists in the system.
  Input Validation: Double-check the input data for the transaction. Ensure that all required fields are filled out correctly and that the correct plant and storage location are specified.
  Use Transaction Codes: Use transaction codes like MM03 (Display Material), MM02 (Change Material), or MB52 (List Warehouse Stocks on Hand) to investigate the material and its storage locations.
  Consult with SAP Support: If the issue persists, consider reaching out to your SAP support team or consulting SAP Notes for any known issues or patches related to this error.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MB1A (Goods Withdrawal), MB1B (Transfer Posting), and MB1C (Other Goods Receipts) to understand where the error might be occurring.
  SAP Notes: Check SAP Notes for any updates or specific fixes related to the PK409 error.
  Documentation: Review SAP documentation for material management and inventory processes to ensure compliance with best practices.
  
  By following these steps, you should be able to identify the root cause of the PK409 error and implement the necessary solutions to resolve it.