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

/SAPAPO/ATP393 - Overview

• 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.

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 /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