Add error messages SupportError example

alphagov · Dec 8, 2023 · 1a8e35e · 1a8e35e
1 parent 25f5c53
commit 1a8e35e
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/source/configure-components/index.html.md.erb b/source/configure-components/index.html.md.erb
@@ -96,6 +96,12 @@ For example, when:
 * Component templates have missing changes from our release notes
 * Component JavaScript configuration does not match our documentation
 
+If the HTML snippet from [Import CSS, assets and JavaScript](../importing-css-assets-and-javascript/#before-you-start) was not added to the top of the `<body class="govuk-template__body">` section you'll see this error:
+
+```
+SupportError: GOV.UK Frontend initialised without `<body class="govuk-frontend-supported">` from template `<script>` snippet
+```
+
 You should check your application works without errors or some components will not work correctly.
 
 ## Adding HTML data attributes