How To Fix /SAPAPO/PPO_OPT121 - Error in Period calculation

/SAPAPO/PPO_OPT121 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PPO_OPT -

• Message number: 121

• Message text: Error in Period calculation

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/PPO_OPT121 - Error in Period calculation ?

  The SAP error message /SAPAPO/PPO_OPT121 Error in Period calculation typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the period calculation in the planning process. This error can arise due to various reasons, including configuration issues, data inconsistencies, or problems with the planning object structure.
  Causes:
  
  Incorrect Time Period Configuration: The time periods defined in the planning book or the planning area may not align with the data being processed.
  Data Inconsistencies: There may be missing or inconsistent data in the master data or transaction data that the planning process relies on.
  Planning Object Structure Issues: The planning object structure may not be correctly defined, leading to issues in how periods are calculated.
  Calendar Settings: Issues with the calendar settings, such as fiscal year variant or holiday calendar, can also lead to this error.
  Versioning Issues: If there are multiple versions of planning data, conflicts or inconsistencies