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I suspect SASPy can't see the remote as you say. You can certainly find out by running code in SAS, just run this inside the rsubmit block:

I was struggling with the same problem when adding a controller to the Visual Studio 2022 "out-of-the-box" .NET Core React SPA template. What I did to get it to work was to find the file setupProxy.js, which in the current template is here: ClientApp\src\setupProxy.js. In this file I added the route to the new controller:

The usual reason for this error message is that when the browser tries to load that resource, the server returns an HTML page instead, for example if your router catches unknown paths and displays a default page without a 404 error. Of course that means the path does not return the expected CSS file / image / icon / whatever.

To make sure you are in that case, copy the path and try to access it directly in a new browser window or tab. You will see what your server sends.

That said, check your configuration and maybe examples of integration on github like this one https://github.com/tmpbook/django-with-vuejs

You are missing a wait here.
You should wait for the elements to be completely loaded before accessing them with find_elements methods.
The best approach here is to use Expected Conditions explicit waits, as following:

You are so close to the solution. I really appreciate you for that.

I have deployed the code to the dummy URL: https://distracted-pasteur-66c13a.netlify.app/

You can use the following CSS to make your navbar sticky.

Well, first of all, you haven't actually provided what the error is, which would be helpful.

Additionally, your for loop is overwriting the image var which is just bad practice, but shouldn't break anything.

Finally, it looks like you've written an infinite loop with a non-conditional break at the end and no continue. Is this supposed to be a loop?

Firstly, you should make sure if the api url is correct, using tools like postman or using any browswer to call https://localhost:7015/api/user and make sure the api can be accessed directly.

And I think you can try builder.AllowAnyMethod().AllowAnyHeader().AllowAnyOrigin(); for test instead because my react app has a default url http://localhost:3000 but not http.

At last, check if your react code is right:

In a function's parameter list, {target = document.body} = {} means:

• The {target} part of it is parameter destructuring. It means "take the target property of the object provided as an argument and put it in the parameter target." This is called a destructured parameter.
• The = document.body part is a destructuring default value. It means that if there is no target property on the object (or its value is undefined), target should get the value document.body.
• The = {} after the closing } of the destructuring is a parameter default value. It means that if there is no argument at all for that parameter (or the argument is undefined), use {} as a default value for the parameter. After which, the destructuring is applied to that parameter default value. (More on this in the example below, it can be a bit confusing.)

The result is that target will either be the target property of the object provided as the argument (if provided and not undefined), or document.body.

For example, if you called replaceOnDocument with no third argument at all, that would trigger the default parameter value ({}); and then the destructuring would see no target property on it, so the destructuring default value (document.body) would be used.

Here's an example: