How To Fix CK756 - Paralell processing: System error at start of task

SAP Error Message - Details

• Message type: E = Error

• Message class: CK - Product Costing Messages

• Message number: 756

• Message text: Paralell processing: System error at start of task

What causes this issue?

In parallel processing, a processing package could not be started. The
system message is as follows:
&v1&

System Response

The materials in the package were not marked or released.

How to fix this error?

Carry out marking or release at a later time. If the error recurs,
proceed with marking or release without parallel processing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CK756 - Paralell processing: System error at start of task ?

  The SAP error message CK756, which states "Parallel processing: System error at start of task," typically occurs in the context of parallel processing in SAP, particularly when dealing with large data sets or complex calculations in the Controlling (CO) module, such as during the execution of costing runs or other batch jobs.
  Causes:
  
  System Resource Limitations: The error may arise due to insufficient system resources (CPU, memory) to handle the parallel processing tasks.
  Configuration Issues: Incorrect configuration settings for parallel processing in the SAP system can lead to this error.
  Database Locking: If the database is locked or if there are issues with database connections, it can prevent tasks from starting.
  Transport Issues: If there are issues with the transport layer or if the system is in a state of inconsistency, it may lead to this error.
  Program Errors: Bugs or errors in the ABAP code or the specific program being executed can also trigger this error.
  
  Solutions:
  
  Check System Resources: Monitor the system's CPU and memory usage. If resources are low, consider optimizing the workload or increasing system resources.
  Review Configuration: Ensure that the parallel processing settings in the SAP system are correctly configured. This can include checking the settings in transaction RZ10 or RZ12.
  Database Health Check: Check for any database locks or issues. You can use transaction SM12 to view and delete locks if necessary.
  Review Job Logs: Check the job logs for any additional error messages or warnings that could provide more context about the failure.
  Update SAP System: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  Debugging: If you have access to the ABAP code, consider debugging the program to identify any potential issues in the code that could be causing the error.
  Contact SAP Support: If the issue persists and you cannot identify the cause, consider reaching out to SAP support for assistance.
  
  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 Notes: Search for SAP Notes related to error CK756 in the SAP Support Portal, as there may be specific notes addressing this error with detailed solutions or workarounds.
  Documentation: Review SAP documentation related to parallel processing and the specific module you are working with to ensure best practices are being followed.
  
  By following these steps, you should be able to diagnose and resolve the CK756 error in your SAP system.