How To Fix /SAPAPO/SDP226 - Function is not possible; periodicty must be unique, and 'T', 'W' or 'M'

/SAPAPO/SDP226 - Overview

• Message type: E = Error

• Message class: /SAPAPO/SDP -

• Message number: 226

• Message text: Function is not possible; periodicty must be unique, and 'T', 'W' or 'M'

Self-Explanatory Message

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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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/SAPAPO/SDP226 - Details

• The SAP error message /SAPAPO/SDP226 Function is not possible; periodicity must be unique, and 'T', 'W' or 'M' typically occurs in the context of SAP Advanced Planning and Optimization (APO), particularly when dealing with planning books or data views that involve time series data.
  
  Cause:
  This error indicates that there is an issue with the periodicity settings in your planning book or data view. The periodicity must be set to one of the following values:
  
  'T' for daily (time-based)
  'W' for weekly
  'M' for monthly
  
  The error arises when:
  
  The periodicity is not set to one of the allowed values.
  There are multiple periodicities defined for the same planning object, which leads to ambiguity.
  The configuration of the planning book or data view is incorrect or inconsistent.
  
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check Planning Book Configuration:
  
  Go to the planning book configuration in the SAP APO system.
  Ensure that the periodicity is set correctly to either 'T', 'W',