# What does the VARTA error `token_expired` mean?

The catalogue reserves this code for a credential that was valid but has since expired.


**HTTP status:** `401`  ·  **Type:** `authentication_error`

## What it means

The catalogue reserves this code for a credential that was valid but has since expired.

## What causes it

Cause not yet documented — no code path in this codebase currently raises it.

## What to do

Re-issue or refresh your credential and retry.