How To Fix /SAPAPO/SDP156 - Planning book &1 is defect. Book &2 was selected

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SDP -

• Message number: 156

• Message text: Planning book &1 is defect. Book &2 was selected

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SDP156 - Planning book &1 is defect. Book &2 was selected ?

  The SAP error message /SAPAPO/SDP156 indicates that there is an issue with the planning book specified in the message. Specifically, it states that the planning book you are trying to use is defective, and as a result, another planning book has been selected automatically by the system.
  Cause:
  
  Defective Planning Book: The planning book you are trying to access may have been corrupted or improperly configured. This could be due to changes made to the planning book settings, missing key figures, or issues with the underlying data.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access the specified planning book.
  Transport Issues: If the planning book was transported from one system to another (e.g., from development to production), there may have been issues during the transport process that caused the planning book to become defective.
  
  Solution:
  
  
  Check Planning Book Configuration: 
  
  Go to the planning book configuration in SAP APO and verify that all settings are correct. Ensure that all key figures and characteristics are properly defined.
  If you have access, you can also check the planning book in the configuration transaction /SAPAPO/SDP1 to see if there are any inconsistencies.
  
  
  
  Repair or Recreate the Planning Book:
  
  If the planning book is indeed defective, you may need to repair it or recreate it. This can involve re-adding key figures or characteristics that may have been lost or corrupted.
  
  
  
  Check Authorizations:
  
  Ensure that the user has the necessary authorizations to access the planning book. You can check this in the user roles and profiles.
  
  
  
  Review Transport Logs:
  
  If the planning book was recently transported, review the transport logs for any errors or warnings that may indicate what went wrong during the transport process.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide guidance on how to resolve issues with planning books.
  
  
  
  Contact SAP Support:
  
  If the issue persists and you are unable to resolve it, consider reaching out to SAP Support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  /SAPAPO/SDP1 - Planning Book Configuration
  /SAPAPO/SDP2 - Planning Book Maintenance
  
  
  Key Figures and Characteristics: Understanding how key figures and characteristics are defined in the planning book is crucial for troubleshooting.
  SAP Documentation: Refer to the official SAP documentation for detailed information on planning books and their configuration.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.