The written code on KivyMD does not start, what should I do?

Question

Python

from kivymd.app import MDApp
from kivymd.uix.label import MDLabel


class MainApp(MDApp):
    def build(self):
        return MDLabel(text="Hello, World", halign="center")


MainApp().run()

Error:
[Running] python -u "c:\Users\ASUS\OneDrive\Desktop\Kivy\tempCodeRunnerFile.py"
[INFO ] [Logger ] Record log in C:\Users\ASUS\.kivy\logs\kivy_21- 10-13_0.txt
[INFO ] [deps ] Successfully imported "kivy_deps.gstreamer" 0.3.2
[INFO ] [deps ] Successfully imported "kivy_deps.angle" 0.3.0
[INFO ] [deps ] Successfully imported "kivy_deps.glew" 0.3.0
[INFO ] [deps ] Successfully imported "kivy_deps.sdl2" 0.3.1
[INFO ] [Kivy ] v2.0.0
[INFO ] [Kivy ] Installed at "C:\Program Files\Python39\lib\site-packages \kivy\__init__.py"
[INFO ] [Python ] v3.9.1 (tags/v3.9.1:1e5d33e, Dec 7 2020, 17:08:21) [MSC v.1927 64 bit (AMD64)]
[INFO ] [Python ] Interpreter at "C:\Program Files\Python39\python.exe"
[INFO ] [KivyMD ] 0.104.2, git-bc7d1f5, 2021-06-06 (installed at "C:\Users\ASUS \AppData\Roaming\Python\Python39\site-packages\kivymd\__init__.py")
[INFO ] [Factory ] 186 symbols loaded
[INFO ] [Image ] Providers: img_tex, img_dds, img_pil (img_sdl2, img_ffpyplayer ignored)
[INFO ] [Text ] Provider: pil(['text_sdl2'] ignored)
[CRITICAL] [Window ] Unable to find any valuable Window provider. Please enable debug logging (eg add -d if running from the command line, or change the log level in the config) and re-run your app to identify potential causes
sdl2 - ImportError: DLL load failed while importing _window_sdl2:
File "C:\Program Files\Python39\lib\site-packages\kivy\core\__init__.py", line 58, in core_select_lib
mod = __import__(name='{2}.{0}.{1}'. format(
File "C:\Program Files\Python39\lib\site-packages\kivy\core\window\window_sdl2.py", line 27, in
from kivy.core.window._window_sdl2 import _WindowSDL2Storage

[CRITICAL] [App ] Unable to get a Window, abort.

[Done] exited with code=1 in 1.402 seconds