How To Fix /SAPAPO/SDP_PAR020 - Internal Error: &1

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/SDP_PAR -

• Message number: 020

• Message text: Internal Error: &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/SDP_PAR020 - Internal Error: &1 ?

  The SAP error message /SAPAPO/SDP_PAR020 Internal Error: &1 typically indicates an internal error within the SAP Advanced Planning and Optimization (APO) module, specifically related to the Supply Network Planning (SNP) or Demand Planning (DP) functionalities. This error can arise due to various reasons, including data inconsistencies, configuration issues, or problems with the underlying database.
  Possible Causes:
  
  Data Inconsistencies: There may be issues with master data or transaction data that are causing the internal error.
  Configuration Issues: Incorrect settings in the APO configuration can lead to unexpected behavior and errors.
  Database Issues: Problems with the database, such as corruption or connectivity issues, can trigger internal errors.
  Program Errors: Bugs or issues in the SAP code or custom developments can also lead to this error.
  Memory Issues: Insufficient memory allocation for the APO processes can cause internal errors during execution.
  
  Solutions:
  
  Check Logs: Review the application logs (transaction SLG1) for more detailed information about the error. This can provide insights into what caused the internal error.
  Data Consistency Check: Use transaction /SAPAPO/SDP_CHECK to check for inconsistencies in the data. Correct any issues found.
  Configuration Review: Verify the configuration settings in the APO system. Ensure that all necessary settings are correctly configured.
  Database Check: Perform a database consistency check and ensure that the database is functioning correctly. You may need to involve your database administrator.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. There may be patches or updates available that resolve the issue.
  Memory Allocation: If memory issues are suspected, consider increasing the memory allocation for the APO processes.
  Contact SAP Support: If the issue persists and you cannot identify the cause, it may be necessary to contact SAP Support for further assistance. Provide them with the error message details and any relevant logs.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as /SAPAPO/SDP_PAR for planning area settings and /SAPAPO/SDP_CHECK for data consistency checks.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  Documentation: Review the official SAP documentation for APO to understand the configuration and operational guidelines better.
  
  By following these steps, you should be able to diagnose and potentially resolve the /SAPAPO/SDP_PAR020 Internal Error: &1 error in your SAP system.