# What does the VARTA error `step_not_found` mean?

The step you referenced isn't present in the agent's step graph.


**HTTP status:** `404`  ·  **Type:** `invalid_request_error`

## What it means

The step you referenced isn't present in the agent's step graph.

## What causes it

Cause not yet documented as a live `/v1` path. The code and its message are defined in the catalogue (`backend/app/api/v1/errors.py`), but no current `/v1` endpoint raises it.

## What to do

Not applicable yet.