How To Fix CNV20600056 - Generation error for dyn. subroutine pool: probably due to memory problem

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20600 - message class for package 20600

• Message number: 056

• Message text: Generation error for dyn. subroutine pool: probably due to memory problem

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20600056 - Generation error for dyn. subroutine pool: probably due to memory problem ?

  The SAP error message CNV20600056 indicates a generation error for a dynamic subroutine pool, which is likely caused by memory issues during the generation process. This error typically occurs in the context of SAP's data migration tools, particularly when using the SAP S/4HANA Migration Cockpit or similar tools.
  Causes:
  
  Insufficient Memory: The most common cause is that the system does not have enough memory allocated to handle the generation of the dynamic subroutine pool.
  Large Data Volume: If the data being processed is particularly large, it may exceed the memory limits during the generation process.
  System Configuration: The SAP system may not be optimally configured for the workload, leading to memory allocation issues.
  Background Job Limitations: If the generation is being run as a background job, it may be subject to memory limits set for background processing.
  
  Solutions:
  
  
  Increase Memory Allocation:
  
  Check and increase the memory settings in the SAP system. This can be done by adjusting the instance profile parameters, such as abap/heap_area_dia and abap/heap_area_nondia.
  Ensure that the server has sufficient physical memory available.
  
  
  
  Optimize Data Volume:
  
  If possible, reduce the volume of data being processed in a single run. This can be done by splitting the data into smaller batches.
  
  
  
  Check System Configuration:
  
  Review the system configuration to ensure it is optimized for the tasks being performed. This includes checking the settings for background jobs and ensuring that the system is not overloaded with other processes.
  
  
  
  Run in Dialog Mode:
  
  If the generation is being run as a background job, consider running it in dialog mode instead, as this may provide more memory resources.
  
  
  
  Monitor System Performance:
  
  Use transaction codes like ST02 (Buffer Monitor) and ST06 (Operating System Monitor) to monitor memory usage and identify any bottlenecks.
  
  
  
  Check for Locks or Other Issues:
  
  Ensure that there are no locks or other issues in the system that could be causing delays or memory issues.
  
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps. You can search the SAP Support Portal for notes related to CNV20600056.
  Transaction Codes: Familiarize yourself with transaction codes like SE80 (Object Navigator) and SE38 (ABAP Editor) to analyze the code and objects involved in the generation process.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  
  If the problem persists after trying the above solutions, it may be necessary to contact SAP support for further assistance.