TypeError: Failed to execute 'fetch' in Blazor Webassembly

I am using the code below

var options = new RestClientOptions("http://apibihml.value4u.com.br");
var client = new RestClient(options);
var request = new RestRequest("/obter-acesso/", Method.Get);
request.AddHeader("Host", "apibihml.value4u.com.br");
request.AddHeader("Content-Type", "application/json; charset=utf-8");
request.AddHeader("AcceptCharset", "utf-8");
RestResponse response = await client.ExecuteAsync(request);
Console.WriteLine(response.Content);

Erro in blazor

▶ | ErrorMessage | 'TypeError: Failed to execute 'fetch' on 'Window': Request with GET/HEAD method cannot have body.' |

• OS: Windows
• .NET version 8
• Blazor Webassembly

Reproduce the request in a .NET 8 Blazor WebAssembly app using the shown RestClientOptions, RestRequest, and ExecuteAsync call; inspect the generated browser fetch request and the reported error output. Done means the GET request no longer triggers the reported fetch error and its response can be read.