How To Fix CNV_IUUC_REPLICATION044 - For MT ID &1, access plan calculation for Migration Object &2 failed

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV_IUUC_REPLICATION - IUUC replication messages (HANA)

• Message number: 044

• Message text: For MT ID &1, access plan calculation for Migration Object &2 failed

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION044 - For MT ID &1, access plan calculation for Migration Object &2 failed ?

  The SAP error message CNV_IUUC_REPLICATION044 typically occurs during the data migration process, particularly when using the SAP Landscape Transformation (SLT) replication server. This error indicates that there was a failure in calculating the access plan for a specific migration object.
  Cause:
  The error can be caused by several factors, including:
  
  Incorrect Configuration: The SLT configuration might not be set up correctly for the specific migration object.
  Database Issues: There may be issues with the underlying database, such as missing indexes or corrupted data.
  Performance Issues: The system might be experiencing performance issues that prevent the access plan from being calculated in a timely manner.
  Data Model Changes: Changes in the data model or structure of the source system can lead to inconsistencies that affect the access plan calculation.
  Authorization Issues: The user executing the migration may not have the necessary authorizations to access the required objects.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  Check Configuration: Review the SLT configuration for the migration object to ensure that it is set up correctly. Verify that all necessary parameters are correctly defined.
  Database Health Check: Perform a health check on the database. Look for any inconsistencies, missing indexes, or performance bottlenecks. You may need to run database maintenance tasks.
  Review Logs: Check the SLT logs for more detailed error messages that can provide insight into what went wrong during the access plan calculation.
  Test Access Plan: Manually test the access plan for the migration object using SQL queries to see if it can be executed without errors.
  Check Authorizations: Ensure that the user executing the migration has the necessary authorizations to access the required database objects.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error. SAP frequently updates their knowledge base with solutions for known issues.
  Contact SAP Support: If the issue persists after trying the above steps, consider reaching out to SAP Support for further assistance.
  
  Related Information:
  
  SAP Notes: Always check for the latest SAP Notes related to SLT and data migration, as they may contain specific fixes or workarounds for known issues.
  SLT Documentation: Review the official SAP documentation for SLT to ensure that you are following best practices for configuration and operation.
  Community Forums: Engage with the SAP community forums or user groups, as other users may have encountered similar issues and can provide insights or solutions.
  
  By following these steps, you should be able to diagnose and resolve the CNV_IUUC_REPLICATION044 error effectively.