add check for the existence of the user modules directory

src/settings/tools/yml_tools.py

@@ -16,6 +16,7 @@ def load_modules():
 
     all_modules = set(os.listdir(global_modules_directory))
 
+    if os.path.exists(local_modules_directory) and os.path.isdir(local_modules_directory):
         for module_name in os.listdir(local_modules_directory):
             module_path = os.path.join(local_modules_directory, module_name)
             if os.path.isdir(module_path):