> ## Documentation Index
> Fetch the complete documentation index at: https://docs.sifr.sh/llms.txt
> Use this file to discover all available pages before exploring further.

# SIFR-PYIMP-0003: The reserved embedded Python bridge namespace was already populated.

> The reserved embedded Python bridge namespace was already populated.

`SIFR-PYIMP-0003` belongs to the **Embedded Python imports** diagnostic family. It means: the reserved embedded Python bridge namespace was already populated.

## Why It Happens

An embedded Python import or module load failed. Check declared imports, module paths, and that the selected environment can import the target.

<Info>
  Use `sifr --explain SIFR-PYIMP-0003` locally to see the renderer's exact message template and any machine-applicable suggestions for the compiler version you are running.
</Info>

## Details

| Field                  | Value                                                                                                              |
| ---------------------- | ------------------------------------------------------------------------------------------------------------------ |
| Code                   | `SIFR-PYIMP-0003`                                                                                                  |
| Family                 | `PYIMP`                                                                                                            |
| Severity               | Error                                                                                                              |
| Stability              | stable                                                                                                             |
| Owner                  | `sifr_runtime::python::bridge_loader`                                                                              |
| Representative fixture | `crates/sifr_runtime/src/python/bridge_loader.rs::loader_is_hermetic_rewrites_imports_and_restores_first_position` |

See the [Error Codes index](/diagnostics/error-codes) for the complete catalog.
