fix(lua): fix crashes

src/core/filemgr/FileMgr.cpp

@@ -26,7 +26,7 @@ namespace YimMenu
 			create_path = true;
 		}
 		if (create_path)
-			create_directory(folder);
+			create_directories(folder);
 
 		return folder;
 	}
@@ -42,7 +42,7 @@ namespace YimMenu
 			throw std::invalid_argument("FileMgr::GetProjectFile expects a relative path.");
 
 		auto projFile = File(m_RootFolder / file);
-		EnsureFileCanBeCreated(file);
+		EnsureFileCanBeCreated(m_RootFolder / file);
 
 		return projFile;
 	}