Unity error DirectoryNotFoundException: Could not find a part of the path :

Hi, and I recently got an error on unity which doesn't allow me to use my scripts and yeah here is the full error :

DirectoryNotFoundException: Could not find a part of the path "C:\Users\OWNER\Downloads\Unity\Unity Games\Unity 2018.3.0 ( And later )\Unity Endless Runner Tutorial\Endlless Runner Tutorial\Library\PackageCache\com.unity.analytics@3.2.2\Tests\Editor\Unity.Analytics.StandardEvents\Unity.Analytics.StandardEvents.EditorTests.asmdef" System.IO.FileStream..ctor (System.String path, System.IO.FileMode mode, System.IO.FileAccess access, System.IO.FileShare share, System.Int32 bufferSize, System.Boolean anonymous, System.IO.FileOptions options) (at :0) System.IO.FileStream..ctor (System.String path, System.IO.FileMode mode, System.IO.FileAccess access, System.IO.FileShare share, System.Int32 bufferSize, System.IO.FileOptions options, System.String msgPath, System.Boolean bFromProxy, System.Boolean useLongPath, System.Boolean checkHost) (at :0) (wrapper remoting-invoke-with-check) System.IO.FileStream..ctor(string,System.IO.FileMode,System.IO.FileAccess,System.IO.FileShare,int,System.IO.FileOptions,string,bool,bool,bool) System.IO.StreamReader..ctor (System.String path, System.Text.Encoding encoding, System.Boolean detectEncodingFromByteOrderMarks, System.Int32 bufferSize, System.Boolean checkHost) (at :0) System.IO.StreamReader..ctor (System.String path, System.Text.Encoding encoding, System.Boolean detectEncodingFromByteOrderMarks, System.Int32 bufferSize) (at :0) System.IO.StreamReader..ctor (System.String path, System.Boolean detectEncodingFromByteOrderMarks) (at :0) System.IO.StreamReader..ctor (System.String path) (at :0) (wrapper remoting-invoke-with-check) System.IO.StreamReader..ctor(string) System.IO.File.ReadAllText (System.String path) (at :0) UnityEditor.Scripting.ScriptCompilation.EditorCompilation.LoadCustomScriptAssemblyFromJson (System.String path) (at C:/buildslave/unity/build/Editor/Mono/Scripting/ScriptCompilation/EditorCompilation.cs:463) UnityEditor.Scripting.ScriptCompilation.EditorCompilation.SetAllCustomScriptAssemblyJsons (System.String[] paths) (at C:/buildslave/unity/build/Editor/Mono/Scripting/ScriptCompilation/EditorCompilation.cs:681) UnityEditor.ProjectBrowser:DeleteSelectedAssets(Boolean)

and I am using unity version 2018.3.11f1

and yeah thanks in advance.