How To Fix ATP_PAC004 - Selected: &1; Correct: &2

SAP Error Message - Details

• Message type: E = Error

• Message class: ATP_PAC -

• Message number: 004

• Message text: Selected: &1; Correct: &2

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message ATP_PAC004 - Selected: &1; Correct: &2 ?

  The SAP error message ATP_PAC004 typically relates to the Advanced Planning and Optimization (APO) module, specifically in the context of Available-to-Promise (ATP) checks. The message indicates a discrepancy between the selected quantity and the correct quantity for a particular item or product.
  Cause:
  The error message ATP_PAC004 occurs when there is a mismatch between the quantity that has been selected for processing (e.g., in a sales order or production order) and the quantity that the system calculates as correct based on the current stock levels, planned receipts, or other relevant data. This can happen due to several reasons, including:
  
  Stock Levels: The available stock may have changed since the selection was made, leading to a different available quantity.
  Planning Data: Changes in planning data, such as new purchase orders or production orders, can affect the available quantity.
  Configuration Issues: Incorrect configuration in the ATP settings or master data can lead to discrepancies.
  Data Consistency: Issues with data consistency in the system, such as unprocessed transactions or errors in inventory management.
  
  Solution:
  To resolve the ATP_PAC004 error, you can take the following steps:
  
  Check Stock Levels: Verify the current stock levels for the item in question. Use transaction codes like MMBE (Stock Overview) to see the available stock.
  Review Planning Data: Check for any recent changes in planning data that might affect the available quantity. This includes checking for new purchase orders, production orders, or any other relevant transactions.
  Recalculate ATP: If there have been changes, you may need to recalculate the ATP. This can often be done by re-running the ATP check or refreshing the relevant planning run.
  Check Configuration: Review the configuration settings for ATP in the system. Ensure that the settings align with your business processes and that there are no misconfigurations.
  Data Consistency: Ensure that there are no inconsistencies in the data. This may involve checking for unprocessed transactions or errors in inventory management.
  Consult Documentation: Refer to SAP documentation or notes related to ATP and the specific error message for additional guidance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as MD04 (Stock/Requirements List) and CO09 (Availability Overview) to analyze stock and requirements.
  SAP Notes: Check SAP Notes for any known issues or patches related to ATP errors.
  User Exits and BAdIs: If custom logic is implemented, review any user exits or BAdIs that might affect ATP calculations.
  Training and Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify the cause of the ATP_PAC004 error and implement a solution to resolve it.