How To Fix /SAPAPO/MA066 - Entry deleted: Combination planning book - row not unique

/SAPAPO/MA066 - Overview

• Message type: E = Error

• Message class: /SAPAPO/MA -

• Message number: 066

• Message text: Entry deleted: Combination planning book - row not unique

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/MA066 - Entry deleted: Combination planning book - row not unique ?

  The SAP error message /SAPAPO/MA066 Entry deleted: Combination planning book - row not unique typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with the uniqueness of entries in a planning book. This error indicates that the system has detected duplicate entries for a combination of characteristics in the planning book, which violates the requirement for unique entries.
  
  Cause:
  
  
  Duplicate Entries: The most common cause of this error is that there are multiple entries in the planning book that have the same combination of key figures and characteristics. This can happen due to data import issues, manual data entry errors, or incorrect configuration of the planning book.
  
  
  Incorrect Configuration: The planning book may not be configured correctly, leading to overlaps in the data that is being processed.
  
  
  Data Consistency Issues: If there are inconsistencies in the data model or if the data has been modified without