The file exists and it says no such file or directory

Traceback (most recent call last): File "c:\Users\Ahmed\Documents\Studies\Algorithme & Programmation\Python\Cin ex\main.py", line 72, in <module> win = loadUi("pnl.ui") ^^^^^^^^^^^^^^^^ File "C:\Users\Ahmed\AppData\Local\Programs\Python\Python311\Lib\site-packages\PyQt5\uic\__init__.py", line 238, in loadUi return DynamicUILoader(package).loadUi(uifile, baseinstance, resource_suffix) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\Ahmed\AppData\Local\Programs\Python\Python311\Lib\site-packages\PyQt5\uic\Loader\loader.py", line 66, in loadUi return self.parse(filename, resource_suffix) ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ File "C:\Users\Ahmed\AppData\Local\Programs\Python\Python311\Lib\site-packages\PyQt5\uic\uiparser.py", line 1020, in parse document = parse(filename) ^^^^^^^^^^^^^^^ File "C:\Users\Ahmed\AppData\Local\Programs\Python\Python311\Lib\xml\etree\ElementTree.py", line 1218, in parse tree.parse(source, parser) File "C:\Users\Ahmed\AppData\Local\Programs\Python\Python311\Lib\xml\etree\ElementTree.py", line 569, in parse source = open(source, "rb") ^^^^^^^^^^^^^^^^^^ FileNotFoundError: [Errno 2] No such file or directory: 'pnl.ui'