How To Fix RSDD_LTIP_APD109 - Communication error while waiting for end of tasks

SAP Error Message - Details

• Message type: E = Error

• Message class: RSDD_LTIP_APD - AnalyticIndexes as APD Target

• Message number: 109

• Message text: Communication error while waiting for end of tasks

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.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message RSDD_LTIP_APD109 - Communication error while waiting for end of tasks ?

  The SAP error message RSDD_LTIP_APD109, which indicates a "Communication error while waiting for end of tasks," typically occurs in the context of SAP BW (Business Warehouse) when there are issues with the communication between the application server and the database or when there are problems with the execution of a process chain or data load.
  Causes:
  
  Network Issues: There may be network connectivity problems between the application server and the database server.
  Database Locking: The database might be locked due to long-running transactions or deadlocks.
  Timeout Settings: The timeout settings for the communication between the application server and the database may be too low.
  Resource Limitations: Insufficient resources (CPU, memory) on the application server or database server can lead to delays in processing.
  Process Chain Issues: If the error occurs during a process chain execution, there may be issues with specific steps in the chain.
  Configuration Issues: Incorrect configuration settings in the BW system or the database can lead to communication errors.
  
  Solutions:
  
  Check Network Connectivity: Ensure that there are no network issues between the application server and the database server. You can use tools like ping or traceroute to diagnose connectivity.
  Monitor Database Performance: Check the database for locks or long-running queries. Use database monitoring tools to identify any performance bottlenecks.
  Increase Timeout Settings: If the timeout settings are too low, consider increasing them in the SAP BW configuration.
  Resource Allocation: Ensure that both the application server and database server have adequate resources. Monitor CPU and memory usage and consider scaling up if necessary.
  Review Process Chains: If the error occurs during a specific process chain, review the steps in the chain for any issues. Check for any failed steps and resolve them.
  Check Logs: Review the SAP BW and database logs for any additional error messages or warnings that could provide more context about the issue.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message or provide patches and updates.
  
  Related Information:
  
  SAP BW Documentation: Refer to the official SAP BW documentation for more details on process chains and data loading.
  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, providing them with detailed logs and error messages for better diagnosis.
  
  By following these steps, you should be able to identify and resolve the communication error associated with the RSDD_LTIP_APD109 message.