Question WebGL - Uncaught RangeError ?

Hey,
I've been googling like crazy but can't seem to find any related problems in Unity.

I've put together a small WebGL test game, and uploaded this to my website.
However, when I load the page I get a javascript error saying
" An error occurred running the Unity content on this page. See your browser JavaScript console for more info. The error was: Uncaught RangeError: Offset is outside the bounds of the DataView"

And in the JS console I get:

I could only assume it's a host-related issue, as it works just fine when running locally using XAMPP.
Sidenote: The web host I'm using is hostinger.

 

It had to do with MIME mappings missing for me, I could register them in Startup.cs (.NET Core website)

var provider = new FileExtensionContentTypeProvider();
provider.Mappings.Remove(".unityweb");
provider.Mappings.Add(".unityweb", "application/octet-stream");
provider.Mappings.Remove(".data");
provider.Mappings.Add(".data", "application/octet-stream");
provider.Mappings.Remove(".wasm");
provider.Mappings.Add(".wasm", "application/wasm");
provider.Mappings.Remove(".symbols.json");
provider.Mappings.Add(".symbols.json", "application/octet-stream");
app.UseStaticFiles(new StaticFileOptions
{
ContentTypeProvider = provider
});