DirectoryNotFoundException: Could not find a part of the path,DirectoryNotFoundException: Could not find a part of the path

I need help, I'm new to unity and i want to make a 2D platform game, but when I wanted to play to see how it looked, it gave me this error, any ideas?

error

DirectoryNotFoundException: Could not find a part of the path 'C:\Program Files\Unity\Hub\Editor\2021.2.19f1\Editor\Data\UnityReferenceAssemblies\unity-4.8-api\Facades'. System.IO.Enumeration.FileSystemEnumerator`1[TResult].CreateDirectoryHandle (System.String path, System.Boolean ignoreNotFound) (at :0) System.IO.Enumeration.FileSystemEnumerator`1[TResult]..ctor (System.String directory, System.IO.EnumerationOptions options) (at :0) System.IO.Enumeration.FileSystemEnumerable`1+DelegateEnumerator[TResult]..ctor (System.IO.Enumeration.FileSystemEnumerable`1[TResult] enumerable) (at :0) System.IO.Enumeration.FileSystemEnumerable`1[TResult]..ctor (System.String directory, System.IO.Enumeration.FileSystemEnumerable`1+FindTransform[TResult] transform, System.IO.EnumerationOptions options) (at :0) System.IO.Enumeration.FileSystemEnumerableFactory.UserFiles (System.String directory, System.String expression, System.IO.EnumerationOptions options) (at :0) System.IO.Directory.InternalEnumeratePaths (System.String path, System.String searchPattern, System.IO.SearchTarget searchTarget, System.IO.EnumerationOptions options) (at :0) System.IO.Directory.GetFiles (System.String path, System.String searchPattern, System.IO.EnumerationOptions enumerationOptions) (at :0) System.IO.Directory.GetFiles (System.String path, System.String searchPattern) (at :0) UnityEditor.Scripting.ScriptCompilation.MonoLibraryHelpers.GetCachedSystemLibraryReferences (UnityEditor.ApiCompatibilityLevel apiCompatibilityLevel) (at :0) UnityEditor.Scripting.ScriptCompilation.MonoLibraryHelpers.GetSystemLibraryReferences (UnityEditor.ApiCompatibilityLevel apiCompatibilityLevel) (at :0) UnityEditor.Scripting.ScriptCompilation.LoadingAssemblyDefinition.SetAllCustomScriptAssemblyJsonContents (System.String[] paths, System.String[] contents, System.String[] guids) (at :0) UnityEditor.Scripting.ScriptCompilation.EditorCompilationInterface:SetAllCustomScriptAssemblyJsonContents(String[], String[], String[])