* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.

* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.

프로젝트 준비단계에서 잘 되는지 보려고 해봤더니 아래와 같은 오류가 뜹니다.

+ localhost:5000 로 하면 팝업알림이 뜨는데 open with live sever로 하면 안뜹니다. 원인이 무엇일까요?

Traceback (most recent call last):
  File "C:\Users\jiusu\Desktop\firstapp\projects\03.pedia\venv\Lib\site-packages\flask\app.py", line 2551, in __call__
    return self.wsgi_app(environ, start_response)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\jiusu\Desktop\firstapp\projects\03.pedia\venv\Lib\site-packages\flask\app.py", line 2531, in wsgi_app
    response = self.handle_exception(e)
               ^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\jiusu\Desktop\firstapp\projects\03.pedia\venv\Lib\site-packages\flask\app.py", line 2528, in wsgi_app
    response = self.full_dispatch_request()
  File "C:\Users\jiusu\Desktop\firstapp\projects\03.pedia\venv\Lib\site-packages\flask\app.py", line 1823, in full_dispatch_request
    rv = self.dispatch_request()
         ^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\jiusu\Desktop\firstapp\projects\03.pedia\venv\Lib\site-packages\flask\app.py", line 1799, in dispatch_request
    return self.ensure_sync(self.view_functions[rule.endpoint])(**view_args)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "c:\Users\jiusu\Desktop\firstapp\projects\03.pedia\app.py", line 17, in movie_post
    url_receive = request.form['url_give']
                  ^^^^^^^^^^^^^^^^^^^^^^^^
  File "C:\Users\jiusu\Desktop\firstapp\projects\03.pedia\venv\Lib\site-packages\werkzeug\datastructures.py", line 375, in __getitem__
    raise exceptions.BadRequestKeyError(key)
werkzeug.exceptions.BadRequestKeyError: 400 Bad Request: The browser (or proxy) sent a request that this server could not understand.
KeyError: 'url_give'