# Error 4069: TTL support is currently disabled when table has a hidden PK

| Error Code | SQLSTATE | Error                     | Description                                                   |
| ---------- | -------- | ------------------------- | ------------------------------------------------------------- |
| 4069       |          | ER\_RDB\_TTL\_UNSUPPORTED | TTL support is currently disabled when table has a hidden PK. |

## Possible Causes and Solutions

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