# What does the VARTA error `campaign_not_found` mean?

Reserved for a malformed or nonexistent campaign id.


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

## What it means

Reserved for a malformed or nonexistent campaign id.

## What causes it

Cause not yet documented as a live path. `backend/app/api/v1/_ids.py` reserves this code for a campaign id that fails to decode, but no `/v1` endpoint currently decodes one — there is no published campaign resource yet.

## What to do

Not applicable yet.