How To Fix AG320 - The order was already checked according to ATP logic

SAP Error Message - Details

• Message type: E = Error

• Message class: AG - Nachrichten ATP-Server

• Message number: 320

• Message text: The order was already checked according to ATP logic

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message AG320 - The order was already checked according to ATP logic ?

  The SAP error message AG320, which states "The order was already checked according to ATP logic," typically occurs in the context of Availability Check (ATP - Available to Promise) during sales order processing or production order creation. This error indicates that the system has already performed an availability check for the order, and it cannot be re-checked without making changes to the order or the relevant data.
  Cause:
  
  Re-check Attempt: The error usually arises when there is an attempt to re-check the availability of an order that has already undergone an ATP check.
  Order Status: The order may be in a status that does not allow for further ATP checks.
  Configuration Settings: The system configuration may restrict re-checks under certain conditions.
  Data Changes: If there have been no changes to the order or the stock situation, the system will not allow a re-check.
  
  Solution:
  
  Check Order Status: Ensure that the order is in a status that allows for an ATP check. If the order is already confirmed or processed, you may need to create a new order or modify the existing one.
  Modify the Order: Make a minor change to the order (e.g., change the quantity or delivery date) to trigger a new ATP check.
  Review Configuration: Check the configuration settings in the SAP system related to ATP checks. This may involve consulting with your SAP Basis or configuration team to ensure that the settings align with your business processes.
  Use Transaction Codes: If applicable, use transaction codes like VA02 (Change Sales Order) or CO02 (Change Production Order) to make necessary adjustments.
  Consult Documentation: Review SAP documentation or notes related to ATP checks for any specific guidelines or updates that may apply to your version of SAP.
  
  Related Information:
  
  ATP Check Types: Understand the different types of ATP checks (e.g., product allocation, backorder processing) and how they are configured in your system.
  Transaction Codes: Familiarize yourself with relevant transaction codes for order processing and ATP checks, such as VA01 (Create Sales Order), VA02 (Change Sales Order), and CO01 (Create Production Order).
  SAP Notes: Check for any SAP Notes that may address this specific error or provide additional troubleshooting steps.
  User Exits and BAdIs: If your organization has custom logic implemented, check if there are any user exits or BAdIs that might affect ATP checks.
  
  If the issue persists after trying the above solutions, it may be beneficial to consult with your SAP support team or reach out to SAP support for further assistance.