How To Fix /SAPAPO/ATP664 - Only main items can be checked in the case of reqmnts grouping (item &/&)

/SAPAPO/ATP664 - Overview

• Message type: E = Error

• Message class: /SAPAPO/ATP -

• Message number: 664

• Message text: Only main items can be checked in the case of reqmnts grouping (item &/&)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/ATP664 - Only main items can be checked in the case of reqmnts grouping (item &/&) ?

  The SAP error message /SAPAPO/ATP664 indicates that there is an issue with the way requirements are grouped in the Advanced Planning and Optimization (APO) module, specifically in the context of Available-to-Promise (ATP) checks. This error typically arises when you attempt to perform an ATP check on a sub-item or component of a grouped requirement, which is not allowed.
  
  Cause:
  The error occurs because:
  
  Requirements Grouping: In SAP APO, when requirements are grouped, only the main items (or parent items) can be checked for availability. Sub-items or components do not have their own ATP checks in this context.
  
  Configuration Issues: There may be a configuration issue in the way the requirements are set up or how the ATP check is being executed.
  Data Integrity: There might be inconsistencies in the data related to the items being checked.
  
  
  Solution:
  To resolve this error, consider the following steps:
  
  
  Check Item Type: Ensure that you are attempting to perform the ATP check