415 Unsupported Media Type

I had been struggling with a odd error when performing a POST from a WebApi project.

The server was refusing the request because the request is in a format not supported by that method.

The code causing the error:

Easy Watermarks with SVG as CSS background

For a recent project, I had created a test page for the client to see what features had been implemented and that they could test.

But it wasn’t clear which ones were new, in progress, completed etc.

So I wanted …