> For the complete documentation index, see [llms.txt](https://docs.flexsmart.io/flexsmart/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.flexsmart.io/flexsmart/get-started/quick-start-guide/troubleshooting.md).

# Troubleshooting

Encountering an issue? No worries! Here are some quick fixes and tips to keep you building smoothly.

## ❗Error: “Preview” displays a code block

If the “Preview” displays a code block, simply copy the code and paste it into the prompt input field to proceed.

<figure><img src="/files/FBNjIHmsbGdKiHC2Ey9R" alt=""><figcaption><p>"Preview" Tab Displaying a Code Box Error</p></figcaption></figure>

🔁 If the issue keeps happening, try reverting to the latest version that worked. This can often restore functionality and help identify what might be causing the problem.

<figure><img src="/files/g4zIpHMuaOVR13hP6jI2" alt=""><figcaption><p>"Revert to this message" Button</p></figcaption></figure>

***

## ❗Error: “⚠️ Preview Error”

If you receive the following “⚠️ Preview Error” message, select “Ask Aurelia” so she can analyze and resolve the error.

<div data-full-width="false"><figure><img src="/files/SyPXCPQr3gtdN1adPZdp" alt=""><figcaption><p>Preview Error with No Preview</p></figcaption></figure></div>

<figure><img src="/files/e9xsUzI9L0veX5xDD6Zf" alt=""><figcaption><p>"Ask Aurelia" Button</p></figcaption></figure>

***

## ❗Error: “Enter FlexSmart API Key”

If you receive the following “Enter FlexSmart API Key”, you will need to locate the API key in FlexSmart to continue. We’ll show you how.

<div data-full-width="false"><figure><img src="/files/4tWT4FmLDysbAQHS43Qt" alt=""><figcaption><p>"Enter FlexSmart API Key" Prompt Field</p></figcaption></figure></div>

#### **How you obtain FlexSmart’s API key:**

1️⃣From your [**FlexSmart dashboard**](https://academy.flexsmart.io/) in a separate window, navigate to the top right corner, click on the three dots next to your name, and select “**Developer**”.

2️⃣If you already see an API key, skip to the next step. If not, click on the button “**Generate API Key**”

3️⃣ Once you see the API key, click on the **copy icon** next to it and then paste this key in the "Enter FlexSmart API Key" prompt field on Aurelia.

<div data-full-width="false"><figure><img src="/files/X62mjbOJe5388KYyjYXq" alt=""><figcaption></figcaption></figure></div>

🔥 **Pro Tip:** If you run into issues not listed here, let us know in #🛠-[support](https://discord.com/channels/939202745460723753/1344750233514545294) on Discord!