Web Assembly Renderer Errors

_This issue has been moved from [a ticket on Developer Community](https://developercommunity.visualstudio.com/t/Web-Assembly-Renderer-Errors/11045966)._

---
[regression] [worked-in:2022]
Create a new Blazor Web Assembly project.
Set interactivity to Global.
Debug with Firefox.
Read errors in web console.

```
crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
Unhandled exception rendering component: TypeError: can't access property "insertBefore", n.parentNode is null
TypeError: can't access property "insertBefore", n.parentNode is null
```

```
crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
Unhandled exception rendering component: Error: No element is currently associated with component 1
Error: No element is currently associated with component 1
```

---
### Original Comments

#### Confessore, Steven (US) on 2/17/2026, 03:01 PM:

https://github.com/dotnet/aspnetcore/issues/54842#issuecomment-2049686505

moved HeadOutlet above links and it functions as expected

your template is broken for some browsers

you should move the HeadOutlet above the links in the template

#### Feedback Bot on 2/18/2026, 05:08 AM:

We have directed your feedback to the appropriate engineering team for further evaluation. The team will review the feedback and notify you about the next steps.