How To Fix CNV755 - Error when creating index for table & .

SAP Error Message - Details

• Message type: E = Error

• Message class: CNV - Conversion: Messages for Conversion Services (CNCC)

• Message number: 755

• Message text: Error when creating index for table & .

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message CNV755 - Error when creating index for table & . ?

  The SAP error message "CNV755 Error when creating index for table &" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that there was a problem creating an index for a specific database table, which can be due to various reasons.
  Causes of the Error
  
  Database Locking Issues: The table may be locked by another process, preventing the index from being created.
  Insufficient Permissions: The user executing the migration may not have the necessary permissions to create indexes on the specified table.
  Existing Index Conflicts: There may be existing indexes that conflict with the new index being created.
  Database Constraints: Constraints on the table (like foreign key constraints) may prevent the creation of the index.
  Data Consistency Issues: If the data in the table is inconsistent or violates integrity constraints, the index creation may fail.
  Resource Limitations: Insufficient system resources (like memory or disk space) can also lead to this error.
  
  Solutions
  
  Check Database Locks: Use transaction codes like SM12 to check for any locks on the table and resolve them if necessary.
  Verify User Permissions: Ensure that the user has the appropriate permissions to create indexes on the table. You may need to consult with your SAP Basis team.
  Review Existing Indexes: Check for existing indexes on the table that may conflict with the new index. You can use transaction SE11 to view the table structure and existing indexes.
  Check Constraints: Review any constraints on the table that might be causing the issue. You can use transaction SE11 to check the table definition.
  Data Consistency Check: Run consistency checks on the data in the table to ensure there are no violations of integrity constraints.
  Monitor System Resources: Check system resources to ensure there is enough memory and disk space available for the index creation process.
  Retry the Operation: After addressing the above issues, retry the operation that caused the error.
  
  Related Information
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SM12 (Lock Entries), and ST22 (Dump Analysis) for troubleshooting.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional guidance.
  Logs and Traces: Review logs and traces for more detailed error messages that can provide insight into the root cause of the issue.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with SAP support or your technical team for further assistance.