> For the complete documentation index, see [llms.txt](https://itzfabb.gitbook.io/fios-config/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://itzfabb.gitbook.io/fios-config/documentation/resources/chatcolor2/multi-platform/add-ons.md).

# Add-ons

Further more explanation for CommandPanels

{% hint style="warning" %}
DeluxeMenus & CommandPanels has different feature to offer!
{% endhint %}

## <i class="fa-screwdriver-wrench">:screwdriver-wrench:</i> Fix "is not a valid username/uuid"

<figure><img src="https://19293073-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fezy454jmaPSs8YCKmMyy%2Fuploads%2FKhr0HcVmcPGDVU33Jyyh%2Fimage.png?alt=media&amp;token=91906de2-b384-4777-b44f-2e7c12224419" alt=""><figcaption></figcaption></figure>

To fix, this issue we need to head over to:

> File Location
>
> `plugins\LuckPerms\config.yml`

<figure><img src="https://19293073-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fezy454jmaPSs8YCKmMyy%2Fuploads%2F7QKF7MoAnzZtJPni97Rq%2Fimage.png?alt=media&amp;token=6cb39215-f01b-40c3-acdf-9b96761c1c68" alt=""><figcaption></figcaption></figure>

Head over to this line Nu. `692` or else `CTRL+F` + "`allow-invalid-username`", And change the value from `false` to `true`.

{% hint style="danger" %}
After the Modification, IT IS **RECOMMENDED** TO **RESTART** YOUR **SERVER**!
{% endhint %}

## <i class="fa-image-polaroid">:image-polaroid:</i> Bedrock UserInterface Preview

<figure><img src="https://19293073-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fezy454jmaPSs8YCKmMyy%2Fuploads%2FtquENSpWgUlN35zdb7ny%2Fimage.png?alt=media&amp;token=830376df-513f-4bd1-9b9b-e3a2cfd6cb0a" alt=""><figcaption></figcaption></figure>

<figure><img src="https://19293073-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fezy454jmaPSs8YCKmMyy%2Fuploads%2FWRMypQPdFlvBZrPldwLr%2Fimage.png?alt=media&amp;token=535a4603-720c-4c53-aa83-0409a9e97d07" alt=""><figcaption></figcaption></figure>

<figure><img src="https://19293073-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fezy454jmaPSs8YCKmMyy%2Fuploads%2FYs6zNm6a2uAY8uIGUSSj%2Fimage.png?alt=media&amp;token=f520cb69-0038-4bc6-abb1-0935ea28e353" alt=""><figcaption></figcaption></figure>