# Usage errors

Source: https://docs.graphops.xyz/platform/errors/usage

Each error below is identified by the `code` in the [error response](/platform/errors#error-response). The response's `docsUrl` links to the matching entry on this page.

## `invalid_usage_range`

Invalid usage range · HTTP 400 Bad Request

The end of the requested time range is not after its start.

**What to do:** Choose an end time later than the start time.

## `usage_daily_list_failed`

Daily usage could not be loaded · HTTP 500 Internal Server Error

GraphOps hit an unexpected error while loading daily usage.

**What to do:** Retry the request. If the error continues, contact support.

## `usage_hourly_list_failed`

Hourly usage could not be loaded · HTTP 500 Internal Server Error

GraphOps hit an unexpected error while loading hourly usage.

**What to do:** Retry the request. If the error continues, contact support.

## `usage_range_too_large`

Usage range too long · HTTP 400 Bad Request

The requested time range is longer, or starts further back, than hourly or daily usage reports allow.

**What to do:** Choose a shorter or more recent range, or use daily totals for longer periods.

## `usage_windows_list_failed`

Usage windows could not be loaded · HTTP 500 Internal Server Error

GraphOps hit an unexpected error while loading usage windows.

**What to do:** Retry the request. If the error continues, contact support.