How To Fix UJD_EXCEPTION218 - Delta initialization &1 is in use

SAP Error Message - Details

• Message type: E = Error

• Message class: UJD_EXCEPTION - BPC: Data Manager Exception Message Class

• Message number: 218

• Message text: Delta initialization &1 is in use

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message UJD_EXCEPTION218 - Delta initialization &1 is in use ?

  The SAP error message UJD_EXCEPTION218 typically indicates that a delta initialization process is currently in use for a specific data source or InfoProvider. This can occur in the context of SAP BW (Business Warehouse) when you are trying to perform a delta initialization while another process is already running.
  Cause:
  
  Concurrent Processes: The most common cause of this error is that another delta initialization or data load process is already running for the same InfoProvider or data source.
  Locking Mechanism: SAP BW uses a locking mechanism to prevent multiple processes from modifying the same data simultaneously, which can lead to this error if you attempt to start a new delta initialization while one is already in progress.
  
  Solution:
  
  
  Check Running Processes: 
  
  Use transaction SM37 to check for any running or scheduled jobs related to the delta initialization. Look for jobs that are currently processing the same data source or InfoProvider.
  If you find a job that is stuck or taking too long, you may need to analyze it further or terminate it if appropriate.
  
  
  
  Wait for Completion: If another delta initialization is running, the simplest solution is to wait for it to complete before starting a new one.
  
  
  Restart the Process: If you believe that the process is stuck and should not be running, you can terminate it and then attempt to restart the delta initialization.
  
  
  Check for Locks: 
  
  You can also check for locks using transaction SM12. Look for any locks related to the InfoProvider or data source in question and release them if necessary.
  
  
  
  Review Logs: Check the logs for any additional error messages or warnings that might provide more context about the issue.
  
  
  System Health Check: Ensure that the BW system is healthy and that there are no underlying issues affecting data processing.
  
  
  Related Information:
  
  Delta Initialization: This is a process in SAP BW where the system initializes the delta mechanism for data extraction. It is crucial for ensuring that only changes (deltas) are loaded after the initial load.
  InfoProvider: This is a data storage object in SAP BW that can be used for reporting and analysis. It can be a DataStore Object (DSO), InfoCube, or other types of data structures.
  Transaction Codes: Familiarize yourself with relevant transaction codes such as:
  
  SM37: Job Monitoring
  SM12: Lock Entries
  RSA1: Data Warehousing Workbench (for managing InfoProviders and data sources)
  
  
  
  If the problem persists after following these steps, it may be beneficial to consult with your SAP Basis team or SAP support for further assistance.