How To Fix /SAPAPO/PDEM034 - Error when generating BAdI inst. for determination of demand categories

/SAPAPO/PDEM034 - Overview

• Message type: E = Error

• Message class: /SAPAPO/PDEM -

• Message number: 034

• Message text: Error when generating BAdI inst. for determination of demand categories

Self-Explanatory Message

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/SAPAPO/PDEM034 - Details

• The SAP error message /SAPAPO/PDEM034 typically occurs in the context of SAP Advanced Planning and Optimization (APO) when there is an issue with generating a Business Add-In (BAdI) instance for the determination of demand categories. This error can arise due to various reasons, including configuration issues, missing implementations, or data inconsistencies.
  Cause
  
  Missing BAdI Implementation: The BAdI for demand category determination may not be implemented or activated in the system.
  
  Configuration Issues: There may be incorrect or incomplete configuration settings related to demand planning or the specific BAdI.
  Data Inconsistencies: There could be inconsistencies in the master data or transaction data that the BAdI relies on.
  Authorization Issues: The user may not have the necessary authorizations to execute the BAdI or access the required data.
  
  Solution
  
  
  Check BAdI Implementation:
  
  Go to transaction SE18 (BAdI Definition) and check if the BAdI for demand category determination is defined and implemented.
  If it is not implemented, you may need to create an