How To Fix CNV_IUUC_REPLICATION246 - Could not change table name &1 to &2. Table name &2 already exists.

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 246

• Message text: Could not change table name &1 to &2. Table name &2 already exists.

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV_IUUC_REPLICATION246 - Could not change table name &1 to &2. Table name &2 already exists. ?

  The SAP error message CNV_IUUC_REPLICATION246 indicates that there is an issue with renaming a table during a replication process. Specifically, the error states that the system is unable to change the name of a table from &1 to &2 because a table with the name &2 already exists in the database.
  Cause:
  
  Existing Table: The most common cause of this error is that the target table (&2) already exists in the database. This could happen if a previous replication or data migration process created the table, or if it was manually created.
  Replication Process: The error may occur during a data migration or replication process, such as when using SAP Landscape Transformation (SLT) or other data replication tools.
  Naming Conflicts: There may be naming conflicts due to different naming conventions or processes that create tables with similar names.
  
  Solution:
  
  Check Existing Tables: Verify if the table &2 already exists in the database. You can do this by executing a SQL query or using the SAP Data Dictionary (transaction SE11).
  Rename or Drop Existing Table: If the existing table &2 is not needed, you can drop it or rename it to resolve the conflict. Be cautious with this step, as it may lead to data loss if the table contains important information.
  Adjust Replication Settings: If the table &2 is required and should not be dropped, you may need to adjust the replication settings or the logic that determines the table names to avoid conflicts.
  Consult Documentation: Review the documentation for the specific replication tool or process you are using (e.g., SLT) to understand how it handles table naming and conflicts.
  Check for Custom Logic: If there is custom logic involved in the replication process, ensure that it is correctly handling table names and does not inadvertently create conflicts.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE14 (Database Utility), or SE80 (Object Navigator) to investigate the database objects.
  SAP Notes: Check SAP Notes for any known issues or patches related to the error message. You can search for the error code or related keywords in the SAP Support Portal.
  Logs and Traces: Review logs and traces related to the replication process for additional context on the error. This can help identify the root cause and any related issues.
  
  If the issue persists after trying the above solutions, consider reaching out to SAP support for further assistance.