How To Fix /SAPAPO/PDEM020 - Error when reading the realignment steps for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 020

• Message text: Error when reading the realignment steps for &1

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/PDEM020 - Error when reading the realignment steps for &1 ?

  The SAP error message /SAPAPO/PDEM020 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with reading the realignment steps for a specific planning object (indicated by &1). This error can arise due to various reasons, including configuration issues, data inconsistencies, or problems with the planning object itself.
  Cause
  
  Data Inconsistency: There may be inconsistencies in the data related to the planning object, such as missing or incorrect entries in the database.
  Configuration Issues: The configuration settings for the APO system may not be set up correctly, leading to issues when trying to read realignment steps.
  Authorization Issues: The user may not have the necessary authorizations to access the realignment steps for the specified planning object.
  Technical Issues: There could be underlying technical issues, such as database connectivity problems or issues with the APO application itself.
  
  Solution
  
  Check Data Consistency: Verify the data related to the planning object. Ensure that all necessary entries are present and correct. You may need to run consistency checks or data validation reports.
  Review Configuration: Check the configuration settings in the APO system. Ensure that all necessary settings for realignment and planning objects are correctly configured.
  User Authorizations: Ensure that the user encountering the error has the appropriate authorizations to access the realignment steps. You may need to consult with your SAP security team to verify and adjust authorizations.
  Check Logs: Review the application logs and system logs for any additional error messages or warnings that could provide more context about the issue.
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error message. SAP frequently releases notes that provide fixes or workarounds for known issues.
  Technical Support: If the issue persists, consider reaching out to SAP support for further assistance. Provide them with detailed information about the error, including the context in which it occurs and any relevant logs.
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes in SAP APO, such as /SAPAPO/SDP94 (for planning book) or /SAPAPO/MC90 (for realignment).
  Documentation: Review the official SAP documentation for APO, which may provide insights into realignment processes and troubleshooting steps.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify the cause of the /SAPAPO/PDEM020 error and implement a suitable solution.