How To Fix /PM0/ABT_BW018 - Delta queue <&1> is not initialized

SAP Error Message - Details

• Message type: E = Error

• Message class: /PM0/ABT_BW -

• Message number: 018

• Message text: Delta queue <&1> is not initialized

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message /PM0/ABT_BW018 - Delta queue <&1> is not initialized ?

  The SAP error message /PM0/ABT_BW018 Delta queue <&1> is not initialized typically occurs in the context of SAP BW (Business Warehouse) when there is an issue with the delta queue for a specific data source. This error indicates that the delta queue for the specified data source has not been initialized, which can prevent data from being extracted and loaded into the BW system.
  Causes:
  
  Delta Queue Not Initialized: The delta queue for the data source has not been initialized, which means that the system does not have a starting point for capturing changes.
  Data Source Configuration Issues: There may be issues with the configuration of the data source in the BW system.
  Source System Issues: The source system (e.g., SAP ERP) may not be properly configured to send delta data to the BW system.
  Transport Issues: If the data source was recently transported from another system, it may not have been properly initialized in the target system.
  Data Extraction Process Not Started: The initial load or delta initialization process has not been executed.
  
  Solutions:
  
  
  Initialize the Delta Queue:
  
  Go to the DataSource in the SAP BW system.
  Execute the delta initialization process. This can typically be done by selecting the DataSource and choosing the option to initialize the delta queue.
  You may need to perform a full load first if the delta initialization is not possible.
  
  
  
  Check DataSource Settings:
  
  Verify the settings of the DataSource in the BW system. Ensure that it is correctly configured to capture delta changes.
  Check if the DataSource is active and properly mapped to the source system.
  
  
  
  Check Source System Configuration:
  
  Ensure that the source system is configured to send delta data. This may involve checking the settings in the source system (e.g., ensuring that the necessary extractors are active).
  
  
  
  Monitor and Troubleshoot:
  
  Use transaction codes like RSA1 (Data Warehousing Workbench) to monitor the DataSource and check for any errors or warnings.
  Check the logs for any additional error messages that may provide more context.
  
  
  
  Re-transport DataSource:
  
  If the DataSource was recently transported, consider re-transporting it or checking the transport logs for any issues.
  
  
  
  Consult SAP Notes:
  
  Look for relevant SAP Notes that may address this specific error message. SAP frequently updates its knowledge base with solutions for common issues.
  
  
  
  Related Information:
  
  Transaction Codes: 
  
  RSA1: Data Warehousing Workbench
  RSC3: Monitor Delta Queue
  RSMO: Monitor Data Transfer Process
  
  
  Documentation: Refer to SAP Help documentation for detailed steps on initializing delta queues and configuring DataSources.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to resolve the error message and successfully initialize the delta queue for your DataSource.