docs: Add one more JS error message to the list

Author: dimodi

troubleshooting/js-errors.md

@@ -16,6 +16,7 @@ This page provides solutions for common JavaScript errors you may encounter whil
 
 You may get runtime error messages in the browser console similar to the following:
 
+* `Could not find 'TelerikBlazor.getLocationHost' ('TelerikBlazor' was undefined).`
 * `Microsoft.JSInterop.JSException: Could not find 'TelerikBlazor' in 'window'.`
 * `Error: Microsoft.JSInterop.JSException: Could not find 'initGrid' in 'window.TelerikBlazor'.`
 * `Error: Could not find 'TelerikBlazorPopup' in 'window'.`
@@ -63,7 +64,6 @@ Instead of this
 
 ````
 
-
 ### TypeScript
 
 By default, TypeScript results in compiled code that needs the `exports` object, and that is not available in Blazor by default, so it throws an error. A common workaround for that (defining an empty `exporst` object) causes errors from the Telerik JS Interop files. You can read more about the errors and the solutions in the [TypeScript Exports error breaks Telerik Blazor]({%slug common-kb-typescript-exports%}) KnowledgeBase article.