How To Fix UJD_EXCEPTION146 - Cluster reader init failed in file reader

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 146

• Message text: Cluster reader init failed in file reader

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.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message UJD_EXCEPTION146 - Cluster reader init failed in file reader ?

  The SAP error message "UJD_EXCEPTION146 Cluster reader init failed in file reader" typically occurs in the context of SAP BusinessObjects or SAP BW (Business Warehouse) when there is an issue with reading data from a cluster or when initializing a file reader. This error can arise due to various reasons, including configuration issues, data source problems, or connectivity issues.
  Possible Causes:
  
  Configuration Issues: Incorrect configuration settings in the data source or in the SAP BW system can lead to this error.
  Data Source Problems: The data source may be unavailable, corrupted, or not properly set up.
  File Access Issues: If the file reader is trying to access a file that is missing, locked, or has insufficient permissions, it can trigger this error.
  Network Issues: Connectivity problems between the SAP system and the data source can also cause this error.
  Version Compatibility: Incompatibility between different versions of SAP components or between SAP and the database can lead to initialization failures.
  
  Solutions:
  
  Check Configuration: Review the configuration settings for the data source and ensure they are correct. This includes checking connection parameters, file paths, and any relevant settings in the SAP BW system.
  Verify Data Source Availability: Ensure that the data source is available and functioning correctly. If it is a file, check that the file exists and is accessible.
  File Permissions: Check the permissions on the file or directory being accessed. Ensure that the user account running the SAP process has the necessary permissions to read the file.
  Network Connectivity: Test the network connection between the SAP system and the data source. Ensure that there are no firewalls or network issues blocking access.
  Review Logs: Check the SAP application logs and system logs for more detailed error messages that can provide additional context about the failure.
  Update Components: Ensure that all relevant SAP components are up to date and compatible with each other. This may involve applying patches or updates.
  Restart Services: Sometimes, simply restarting the relevant SAP services or the entire system can resolve transient issues.
  
  Related Information:
  
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error. SAP Notes often contain fixes, workarounds, or additional troubleshooting steps.
  Documentation: Review the official SAP documentation for the specific version of SAP BW or BusinessObjects you are using, as it may contain specific guidance on handling this error.
  Community Forums: Consider searching or posting on SAP community forums or other technical forums where SAP professionals discuss similar issues.
  
  If the problem persists after trying the above solutions, it may be beneficial to contact SAP support for further assistance.