How To Fix PPH_DD021 - & during parallel processing of a task

SAP Error Message - Details

• Message type: E = Error

• Message class: PPH_DD - Messages for Demand Driven

• Message number: 021

• Message text: & during parallel processing of a task

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 PPH_DD021 - & during parallel processing of a task ?

  The SAP error message PPH_DD021 typically occurs during parallel processing of tasks in the SAP system, particularly in the context of the Production Planning and Control (PP) module. This error can arise due to various reasons, including data inconsistencies, configuration issues, or resource constraints.
  Cause:
  
  Data Inconsistencies: The error may be triggered by inconsistencies in the data being processed, such as missing or incorrect master data (e.g., material master, BOM, routing).
  Configuration Issues: Incorrect configuration settings in the system related to parallel processing or task management can lead to this error.
  Resource Constraints: If the system is overloaded or if there are insufficient resources (e.g., memory, processing power), it may fail to handle parallel tasks effectively.
  Locking Issues: If multiple processes are trying to access the same data simultaneously, it can lead to locking issues, causing the error to occur.
  
  Solution:
  
  Check Data Consistency: Verify the integrity of the data involved in the task. Ensure that all necessary master data is correctly maintained and available.
  Review Configuration Settings: Check the configuration settings related to parallel processing in the SAP system. Ensure that they are set up correctly according to best practices.
  Monitor System Resources: Use transaction codes like ST02 (Buffer Monitor) and ST06 (Operating System Monitor) to check for resource bottlenecks. If necessary, optimize system performance by adjusting parameters or increasing resources.
  Analyze Lock Entries: Use transaction code SM12 to check for lock entries that may be causing the issue. If you find any unnecessary locks, you can delete them, but be cautious and ensure that it won't affect other processes.
  Debugging: If the issue persists, consider debugging the process to identify the exact point of failure. This may require the assistance of a technical consultant or developer.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. Applying a relevant note may resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SM37 (Job Monitoring), SM21 (System Log), and ST22 (Dump Analysis) to gather more information about the error.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Documentation: Review SAP documentation related to parallel processing and task management for best practices and troubleshooting steps.
  
  If the problem continues after trying the above solutions, it may be beneficial to escalate the issue to SAP support for further assistance.