---
title: "Troubleshooting | Customer's Canvas On-Premises"
canonical: "https://customerscanvas.com/docs/on-premises/design-editor/iframe-api/troubleshooting/"
---

# Troubleshooting

> Use this section to solve problems you may face when working with the Customer's Canvas JavaScript SDK or upgrading it from older versions:

- [Compiling source code](https://customerscanvas.com/docs/on-premises/design-editor/iframe-api/troubleshooting/source-code.md)
- [Issues after upgrade](https://customerscanvas.com/docs/on-premises/design-editor/iframe-api/troubleshooting/upgrade-issues.md)
- [Preparing diagnostic information](https://customerscanvas.com/docs/on-premises/design-editor/iframe-api/troubleshooting/diagnostic-info.md)

:::note
If you encounter problems related to IT operations (for example, a slow app start or deployment issues), refer to the [IT troubleshooting section](https://customerscanvas.com/docs/on-premises/design-editor/it-ops/troubleshooting.md).
:::

## Still have a problem

If the information specified here does not help, feel free to contact our [support team](https://customerscanvas.com/account/cases). To get more prompt and helpful support, please provide us a link to the page with your Design Editor where you have a problem.
If it is not possible, please provide us a version number along with the problem description. To determine a version number:

1. Go to a page with Design Editor.
2. Open a developer console (press **F12** or use **Inspect element**/**Inspect** menu item)
3. In console, type `CustomersCanvas.VERSION`.
4. Send over the output along with the error messages, screenshots, and other information to our support team.