How To Fix KU144 - All nodes reset in rollup time interval (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: KU - Costing: Rollup

• Message number: 144

• Message text: All nodes reset in rollup time interval (&1)

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message KU144 - All nodes reset in rollup time interval (&1) ?

  The SAP error message KU144 "All nodes reset in rollup time interval (&1)" typically occurs in the context of SAP BW (Business Warehouse) or SAP HANA when there are issues related to data processing, particularly during the rollup process in the data warehousing environment. This error indicates that all nodes in the system have been reset during the specified rollup time interval, which can lead to data inconsistencies or failures in data processing.
  Causes:
  
  System Overload: High system load or resource contention can lead to timeouts or resets of nodes.
  Configuration Issues: Incorrect settings in the BW or HANA configuration can cause nodes to reset unexpectedly.
  Network Issues: Problems with network connectivity between nodes can lead to communication failures.
  Data Volume: Processing large volumes of data can overwhelm the system, leading to resets.
  Software Bugs: There may be bugs in the SAP software that cause instability during rollup operations.
  
  Solutions:
  
  Check System Resources: Monitor CPU, memory, and disk usage on the SAP server. Ensure that there are sufficient resources available for processing.
  Review Configuration Settings: Verify the configuration settings for the BW or HANA system. Ensure that they are optimized for your data volume and processing needs.
  Network Stability: Check the network connections between nodes to ensure there are no interruptions or latency issues.
  Batch Size Adjustment: If processing large volumes of data, consider reducing the batch size for rollup operations to prevent overload.
  Update Software: Ensure that your SAP system is up to date with the latest patches and updates, as these may contain fixes for known issues.
  Error Logs: Review the system logs and error messages for more detailed information about the cause of the resets. This can provide insights into specific issues that need to be addressed.
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes or Knowledge Base Articles that address this specific error message.
  
  Related Information:
  
  SAP BW Documentation: Review the official SAP BW documentation for best practices on data processing and rollup operations.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Performance Tuning: Consider performance tuning for your SAP BW or HANA system to improve overall stability and efficiency.
  
  If the issue persists after trying the above solutions, it may be necessary to contact SAP Support for further assistance.