Error
Error Code:
352
SAP S/4HANA Error 352: CDX Unique Index Creation Failure
Description
This error indicates that the system failed to create a unique index on a Change Document Extended (CDX) table. It typically occurs during system upgrades, patch installations, or custom development deployments when database schema changes are applied, often due to data integrity issues or conflicting definitions.
Error Message
ERR_SQL_CREATE_UNIQUE_INDEX_ON_CDX_TAB
Known Causes
3 known causesDuplicate Data in CDX Table
The CDX table contains existing data rows that violate the uniqueness constraint intended for the new index, preventing its creation.
Conflicting Index Already Exists
An index with the same columns or a conflicting definition already exists on the CDX table, preventing the creation of a new unique index.
Incorrect Index Definition
The SQL statement or system command attempting to create the unique index contains errors or references invalid columns for the CDX table.
Solutions
Coming SoonGeneral Troubleshooting Tips
- Check the error message carefully for specific details
- Review recent changes that might have caused the error
- Search for the exact error code in the official documentation
- Check log files for additional context
- Try restarting the application or service