# GroupLoadErrorDetail

> _Since v3.10.0_

Detail payload for the `group-load-error` event — the ServerSide data
source's `getChildRows()` failed for an expanded pre-defined group.

## Properties

| Property | Type | Description |
| -------- | ---- | ----------- |
| <span id="groupkey"></span>`groupKey` | <code>string</code> | The key of the group whose rows failed to load. |
| <span id="grouppath"></span>`groupPath` | <code>string[]</code> | The full path of group keys from root to this group. |
| <span id="error"></span>`error` | <code>Error</code> | The error reported by the data source. |