How To Fix /SAPAPO/ATP393 - This function cannot be called for list items

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 393

• Message text: This function cannot be called for list items

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP393 - This function cannot be called for list items ?

  The SAP error message /SAPAPO/ATP393: This function cannot be called for list items typically occurs in the context of Advanced Planning and Optimization (APO) when a user attempts to perform an action that is not applicable to list items in the system. This error is often encountered in the context of Available-to-Promise (ATP) checks or during planning activities.
  Cause:
  The error is generally caused by one of the following reasons:
  
  Inappropriate Function Call: The function being called is not designed to handle list items. This can happen if the user is trying to execute a function that is meant for single items on a list of items.
  Incorrect Selection: The user may have selected multiple items or a list of items when the function is intended for a single item.
  Configuration Issues: There may be configuration settings in the APO system that restrict certain functions from being executed on list items.
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Selection: Ensure that you are selecting a single item rather than a list of items when performing the action that triggered the error. If you need to perform the action on multiple items, look for batch processing options or functions that support list items.
  
  
  Review Functionality: Verify that the function you are trying to use is appropriate for the context. Consult the SAP documentation or help resources to understand the limitations of the function.
  
  
  Use Alternative Transactions: If the function is not applicable to list items, look for alternative transactions or methods that allow you to achieve your goal without triggering the error.
  
  
  Consult with SAP Support: If the issue persists and you believe it should work as intended, consider reaching out to SAP support or your internal SAP team for further assistance. They may provide insights based on system configuration or known issues.
  
  
  Check Custom Code: If there are any custom developments or enhancements in your SAP system, review them to ensure they are not causing the issue.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches or updates.
  Documentation: Review the SAP APO documentation for details on the functions you are trying to use and their limitations.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the error and implement a suitable solution.