How To Fix CNV_OM_PRESEL145 - Retry limit for writing into &1 reached. Please check syslog or dumps.

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_OM_PRESEL - Messages for LT Object Based Preselection

• Message number: 145

• Message text: Retry limit for writing into &1 reached. Please check syslog or dumps.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_OM_PRESEL145 - Retry limit for writing into &1 reached. Please check syslog or dumps. ?

  The SAP error message CNV_OM_PRESEL145 indicates that the system has reached the retry limit for writing into a specific object or table, denoted by &1. This error typically occurs during data migration or conversion processes, particularly when using SAP's tools for data transfer or conversion, such as the SAP S/4HANA Migration Cockpit or other data migration tools.
  Cause:
  
  Database Locking Issues: The target database table may be locked by another process, preventing the current process from writing data.
  Performance Issues: The system may be experiencing performance issues, leading to timeouts or delays in writing data.
  Configuration Errors: There may be configuration issues in the migration settings or parameters that are causing the process to fail.
  Data Volume: The volume of data being processed may exceed the system's capacity to handle it within the allowed time frame.
  System Resource Limitations: Insufficient system resources (CPU, memory, I/O) can lead to failures in writing data.
  
  Solution:
  
  Check System Logs: Review the system logs (transaction SM21) and dumps (transaction ST22) for more detailed error messages that can provide insights into the underlying issue.
  Increase Retry Limit: If appropriate, consider increasing the retry limit for the operation. This can sometimes be done in the configuration settings of the migration tool.
  Optimize Performance: Analyze and optimize the performance of the database and application server. This may involve tuning database parameters, increasing memory allocation, or optimizing queries.
  Check for Locks: Use transaction SM12 to check for any locks on the target table and resolve them if necessary.
  Batch Processing: If processing a large volume of data, consider breaking it into smaller batches to reduce the load on the system.
  Review Configuration: Ensure that the migration tool is correctly configured and that all necessary prerequisites are met.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: 
  
  SM21: System Log
  ST22: Dump Analysis
  SM12: Lock Entries
  
  
  SAP Notes: Search for SAP Notes related to the error message or the specific migration tool you are using. SAP frequently updates their knowledge base with solutions to common issues.
  Documentation: Review the official SAP documentation for the migration tool you are using to ensure that you are following best practices and guidelines.
  
  If the issue persists after following these steps, consider reaching out to SAP support for further assistance.