How To Fix /SAPAPO/PDEM258 - Error when reading realignment steps

/SAPAPO/PDEM258 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 258

• Message text: Error when reading realignment steps

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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/SAPAPO/PDEM258 - Details

• The SAP error message /SAPAPO/PDEM258 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue related to reading realignment steps in the Demand Planning (DP) or Supply Network Planning (SNP) modules. This error can arise due to various reasons, including configuration issues, data inconsistencies, or problems with the planning book.
  Causes:
  
  Data Inconsistencies: There may be inconsistencies in the data that the system is trying to read, such as missing or corrupted records in the planning book or realignment steps.
  
  Configuration Issues: Incorrect configuration settings in the planning area or planning book can lead to this error.
  Authorization Issues: The user may not have the necessary authorizations to access the required data or execute the realignment steps.
  Versioning Problems: If there are issues with the versioning of the planning book or if the version is not active, it can lead to this error.
  Technical Issues: There may be underlying