How To Fix NSDM_MIG_CONTROL048 - Aggregate group processing is restarted

SAP Error Message - Details

• Message type: E = Error

• Message class: NSDM_MIG_CONTROL - Log message for migration

• Message number: 048

• Message text: Aggregate group processing is restarted

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message NSDM_MIG_CONTROL048 - Aggregate group processing is restarted ?

  The SAP error message NSDM_MIG_CONTROL048 indicates that the processing of an aggregate group has been restarted. This typically occurs in the context of data migration or data processing tasks within SAP systems, particularly when dealing with data models or aggregates in SAP BW (Business Warehouse) or SAP HANA.
  Cause:
  The error can be caused by several factors, including:
  
  Data Consistency Issues: If there are inconsistencies in the data being processed, it may trigger a restart of the aggregate group processing.
  System Performance: If the system experiences performance issues, such as timeouts or resource constraints, it may lead to a restart.
  Configuration Errors: Incorrect settings in the data model or aggregate configuration can lead to processing failures.
  Data Load Failures: If there are issues during data loading (e.g., missing data, incorrect data formats), it can cause the aggregate processing to restart.
  Locks or Deadlocks: If there are locks on the data being processed, it may prevent the completion of the task, leading to a restart.
  
  Solution:
  To resolve the NSDM_MIG_CONTROL048 error, consider the following steps:
  
  Check Logs: Review the application logs and error logs for more detailed information about the cause of the restart. This can provide insights into what went wrong.
  Data Consistency: Ensure that the data being processed is consistent and meets the required formats. Validate the data sources and check for any anomalies.
  Performance Monitoring: Monitor system performance to identify any bottlenecks or resource constraints. You may need to optimize the system or increase resources.
  Configuration Review: Review the configuration settings for the aggregate group and ensure they are set up correctly. Make any necessary adjustments.
  Retry the Process: After addressing any identified issues, retry the aggregate processing. Sometimes, simply restarting the process can resolve transient issues.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or patches that may address this specific error. There may be known issues with solutions provided by SAP.
  Consult Documentation: Refer to SAP documentation for guidance on aggregate processing and data migration best practices.
  
  Related Information:
  
  SAP BW Documentation: Look into the SAP BW documentation for more details on aggregate processing and troubleshooting.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance, especially if it impacts critical business processes.
  
  By following these steps, you should be able to identify the root cause of the NSDM_MIG_CONTROL048 error and implement a solution to resolve it.