# What does the VARTA error `insufficient_credits` mean?

The catalogue reserves this code for a tenant that has run out of prepaid balance.


**HTTP status:** `402` &nbsp;·&nbsp; **Type:** `billing_error`

## What it means

The catalogue reserves this code for a tenant that has run out of prepaid balance.

## What causes it

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

## What to do

Not applicable yet. If you see this code in production, contact support and quote the `request_id`.
