How To Fix NSDM_MIG_CONTROL055 - Aggregate group proc. not executed (aggregate grouping not finished)

SAP Error Message - Details

• Message type: E = Error

• Message class: NSDM_MIG_CONTROL - Log message for migration

• Message number: 055

• Message text: Aggregate group proc. not executed (aggregate grouping not finished)

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message NSDM_MIG_CONTROL055 - Aggregate group proc. not executed (aggregate grouping not finished) ?

  The SAP error message NSDM_MIG_CONTROL055 indicates that the aggregate group processing has not been executed successfully, which typically occurs during the migration or data aggregation processes in SAP systems. This error can arise due to various reasons, and understanding the cause is essential for finding a solution.
  Causes:
  
  Incomplete Configuration: The aggregate group may not be properly configured, leading to issues during execution.
  Data Inconsistencies: There may be inconsistencies or missing data in the underlying tables that the aggregate group relies on.
  Locking Issues: If other processes are locking the necessary tables or data, it can prevent the aggregate group from executing.
  System Performance: Insufficient system resources (CPU, memory) can lead to timeouts or failures in processing.
  Transport Issues: If the aggregate group was recently transported from another system, there may be issues with the transport itself.
  
  Solutions:
  
  Check Configuration: Review the configuration of the aggregate group to ensure that all settings are correct and complete.
  Data Validation: Run data validation checks to identify any inconsistencies or missing data in the relevant tables.
  Release Locks: Check for any locks on the tables involved in the aggregate group processing. You can use transaction codes like SM12 to view and release locks.
  Monitor System Resources: Use transaction codes like ST02 or ST03 to monitor system performance and ensure that there are sufficient resources available.
  Re-run the Process: After addressing any identified issues, try to re-run the aggregate group processing.
  Check Logs: Review the application logs (transaction SLG1) for more detailed error messages that can provide additional context on the failure.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide patches or updates that could resolve the issue.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM12: To check and manage locks.
  SLG1: To view application logs.
  ST22: To check for dumps that may provide additional insights.
  
  
  SAP Community: Engage with the SAP Community forums for discussions and solutions shared by other users who may have encountered similar issues.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it involves complex configurations or system-specific issues.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.