How To Fix PAK639 - Calculation of usage structure is not yet completed

PAK639 - Overview

• Message type: E = Error

• Message class: PAK - Package API / Package Tools

• Message number: 639

• Message text: Calculation of usage structure is not yet completed

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 PAK639 - Calculation of usage structure is not yet completed ?

  The SAP error message PAK639, which states "Calculation of usage structure is not yet completed," typically occurs in the context of SAP's Production Planning (PP) or Advanced Planning and Optimization (APO) modules. This error indicates that the system is trying to access or utilize a usage structure that has not yet been fully calculated or processed.
  Causes:
  
  Incomplete Calculation: The usage structure for a particular planning object (like a product or a production order) has not been fully calculated. This can happen if the calculation process was interrupted or if it is still running.
  Background Job Issues: If the calculation is supposed to be done in the background, there may be issues with the background job that is responsible for this calculation.
  Data Locking: There may be data locking issues where another process is currently using the data, preventing the calculation from completing.
  
  Configuration Issues: Incorrect configuration settings in the planning area or usage structure