How To Fix D3652 - Internal error in generation of DB2 command ALTER BUFFERPOOL

SAP Error Message - Details

• Message type: E = Error

• Message class: D3 - CCMS - DB2 on OS390

• Message number: 652

• Message text: Internal error in generation of DB2 command ALTER BUFFERPOOL

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 D3652 - Internal error in generation of DB2 command ALTER BUFFERPOOL ?

  The SAP error message D3652, which indicates an "Internal error in generation of DB2 command ALTER BUFFERPOOL," typically arises in the context of SAP systems that are integrated with IBM DB2 databases. This error can occur due to various reasons, including configuration issues, database inconsistencies, or problems with the SAP kernel.
  Causes:
  
  Configuration Issues: Incorrect or incomplete configuration settings in the SAP system or DB2 database can lead to this error.
  Database Inconsistencies: If there are inconsistencies in the database schema or if the buffer pool settings are not aligned with the current database configuration, this error may occur.
  SAP Kernel Issues: Bugs or issues in the SAP kernel version being used can also lead to internal errors when executing DB2 commands.
  Insufficient Permissions: The user executing the command may not have the necessary permissions to alter the buffer pool.
  Resource Limitations: Insufficient system resources (like memory or CPU) can also cause this error during the execution of the command.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for both the SAP system and the DB2 database. Ensure that all parameters are correctly set and aligned with the requirements.
  Database Consistency Check: Run consistency checks on the DB2 database to identify and resolve any inconsistencies. This may involve using DB2 utilities to validate the database structure.
  Update SAP Kernel: If you are using an older version of the SAP kernel, consider updating to the latest version, as newer versions may contain bug fixes and improvements related to DB2 command execution.
  Review User Permissions: Ensure that the user executing the ALTER BUFFERPOOL command has the necessary permissions to perform this operation in the DB2 database.
  Monitor System Resources: Check the system resources to ensure that there are no limitations affecting the execution of the command. If necessary, allocate more resources to the database server.
  Consult SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error. SAP Notes often provide detailed troubleshooting steps and solutions for known issues.
  
  Related Information:
  
  SAP Support Portal: Utilize the SAP Support Portal to search for specific notes related to error D3652 and DB2 integration.
  DB2 Documentation: Refer to IBM DB2 documentation for detailed information on buffer pool management and commands.
  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 engage SAP support or a database administrator with expertise in DB2 to further diagnose and resolve the issue.