Calling serverless functions all return 404

When calling netlify functions, I receive a 404, page not found error.
Here is m

Here is my file setup
image

here is my function which calls the file.

 fetch("/.netlify/functions/triggerEventInvite", {
            method: "POST",
            body: JSON.stringify({

Here is my netlify.toml file.

headers = []
redirects = []

[functions]

[functions.emails]
included_files = ["./emails/**"]

[functions."*"]

[[plugins]]
origin = "ui"
package = "@netlify/plugin-emails"
pinned_version = "1"

[plugins.inputs]

[build]
publish = "C:\\Users\\Jais\\Milieu\\milieu\\build"
publishOrigin = "ui"
commandOrigin = "ui"
command = "npm run build"

[build.environment]

[build.processing]

[build.processing.css]

[build.processing.html]

[build.processing.images]

[build.processing.js]

[build.services]

Hi, @9000jais. What site is this about?