How To Fix /SAPAPO/ATP166 - Confirmatzion of quantity &1 takes place via reassignment (ROC)

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 166

• Message text: Confirmatzion of quantity &1 takes place via reassignment (ROC)

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP166 - Confirmatzion of quantity &1 takes place via reassignment (ROC) ?

  The SAP error message /SAPAPO/ATP166 indicates that there is an issue with the confirmation of a quantity during the Available-to-Promise (ATP) check in the Advanced Planning and Optimization (APO) module. The message specifically states that the confirmation of the quantity is taking place via reassignment (ROC - Reassignment of Confirmed Quantities).
  Cause:
  This error typically arises due to the following reasons:
  
  
  Reassignment of Confirmed Quantities: The system is trying to confirm a quantity that is already assigned to another order or delivery. This can happen if there are overlapping or conflicting demands for the same stock.
  
  
  Stock Availability: The stock that is being requested for confirmation may not be available in the required quantity, or it may be allocated to other orders.
  
  
  Configuration Issues: There may be configuration settings in the APO system that are not aligned with the business processes, leading to conflicts during the confirmation process.
  
  
  Order Prioritization: If there are multiple orders competing for the same stock, the system may not be able to confirm the requested quantity due to prioritization rules.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Stock Availability: Verify the stock levels in the system to ensure that the required quantity is available for confirmation. You can use transaction codes like /SAPAPO/ATPL to check ATP quantities.
  
  
  Review Order Assignments: Look into the orders that are currently assigned to the stock. You may need to reassign or adjust the allocations to free up the required quantity.
  
  
  Adjust Configuration: If the issue is related to configuration, review the settings in the APO system, particularly those related to ATP checks and order prioritization. Ensure that they align with your business processes.
  
  
  Use Reassignment Functionality: If reassignment is necessary, you can use the reassignment functionality in the system to allocate the stock to the correct order. This may involve adjusting the confirmed quantities for other orders.
  
  
  Consult Documentation: Refer to SAP documentation or help notes related to ATP and order confirmation processes for additional insights and troubleshooting steps.
  
  
  Contact SAP Support: If the issue persists and you cannot identify the root cause, consider reaching out to SAP support for assistance. They can provide more detailed analysis and guidance based on your specific system configuration.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/ATPL for ATP checks, /SAPAPO/SDP94 for order management, and /SAPAPO/OM for order management functions.
  SAP Notes: Check for any SAP Notes related to ATP issues or the specific error message for patches or updates that may resolve the problem.
  Training and Documentation: Ensure that users involved in order management and ATP processes are trained on the system's functionalities and best practices to minimize errors.
  
  By following these steps, you should be able to diagnose and resolve the /SAPAPO/ATP166 error effectively.