How To Fix CNV20201401 - Error during generation of dyn. sub-routine pool (SY-SUBRC=&) => DevSup

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV20201 -

• Message number: 401

• Message text: Error during generation of dyn. sub-routine pool (SY-SUBRC=&) => DevSup

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV20201401 - Error during generation of dyn. sub-routine pool (SY-SUBRC=&) => DevSup ?

  The SAP error message CNV20201401 typically occurs during the generation of dynamic subroutine pools in the context of data migration or conversion projects, particularly when using the SAP S/4HANA Migration Cockpit or similar tools. This error can be related to various issues, including coding errors, missing objects, or configuration problems.
  Causes:
  
  Syntax Errors: There may be syntax errors in the ABAP code that is being generated or executed.
  Missing Objects: Required objects (like function modules, classes, or data elements) may be missing or not properly defined.
  Authorization Issues: The user executing the process may not have the necessary authorizations to perform the operation.
  Transport Issues: If the system is not properly configured for transports, it may lead to inconsistencies.
  System Configuration: Incorrect system settings or configurations can lead to this error.
  Database Issues: Problems with the underlying database can also cause this error.
  
  Solutions:
  
  Check Syntax: Review the ABAP code for any syntax errors. Use transaction SE80 or SE38 to check the code.
  Verify Objects: Ensure that all required objects are present and correctly defined in the system.
  Authorization Check: Make sure that the user has the necessary authorizations to execute the migration or conversion process.
  Review Logs: Check the application logs (transaction SLG1) for more detailed error messages that can provide additional context.
  System Configuration: Review the system configuration settings to ensure they are correct and aligned with the requirements of the migration process.
  Database Consistency: Check the database for any inconsistencies or issues that may be affecting the operation.
  Re-run the Process: Sometimes, simply re-running the process after addressing any identified issues can resolve the error.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE80 (Object Navigator), SE38 (ABAP Editor), and SLG1 (Application Log) to investigate the issue further.
  SAP Notes: Check for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  Documentation: Review the official SAP documentation related to the migration or conversion process you are working on for any specific prerequisites or steps that may have been overlooked.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support or consulting with an experienced SAP ABAP developer for further assistance.