diff --git a/src/pygenesis/cache.py b/src/pygenesis/cache.py
index 04c642d..e08df06 100644
--- a/src/pygenesis/cache.py
+++ b/src/pygenesis/cache.py
@@ -75,9 +75,8 @@ def clean_cache(file: Optional[str]) -> None:
         )
 
     # remove specified file (directory) from the data cache or clear complete cache
-    file_path = (
-        cache_dir / cache_dir.glob(file) if file is not None else cache_dir
-    )
+    # TODO: Find corresponding directories with cache_dir.glob(file)
+    file_path = cache_dir / file if file is not None else cache_dir
 
     try:
         if file_path.is_file() or file_path.is_symlink():
diff --git a/src/pygenesis/destatis.py b/src/pygenesis/destatis.py
index e17b4f3..f61d608 100644
--- a/src/pygenesis/destatis.py
+++ b/src/pygenesis/destatis.py
@@ -1,11 +1,13 @@
 """Module provides functions to work with the GENESIS REST-API."""
+from typing import Any
+
 from pygenesis.config import load_config
 from pygenesis.http_helper import get_response_from_endpoint
 
 config = load_config()
 
 
-def get_metadata(endpoint: str, name: str) -> str:
+def get_metadata(endpoint: str, name: str) -> Any:
     """Method for downloading metadata from www-genesis.destatis.de.
 
     Method supports the following endpoints:
@@ -21,16 +23,16 @@ def get_metadata(endpoint: str, name: str) -> str:
         name (str): Unique name of the object.
 
     Returns:
-        str: Content of "Object" response.
+        Any: JSON formatted content of "Object" response.
     """
     params = {
         "name": name,
     }
 
-    return get_response_from_endpoint("metadata", endpoint, params).text
+    return get_response_from_endpoint("metadata", endpoint, params).json()
 
 
-def get_catalogue(endpoint: str, params: dict) -> dict:
+def get_catalogue(endpoint: str, params: dict) -> Any:
     """Method for downloading catalogue data from www-genesis.destatis.de.
 
     Args:
@@ -38,20 +40,20 @@ def get_catalogue(endpoint: str, params: dict) -> dict:
         params (dict): The query parameter as defined by the API.
 
     Returns:
-        dict: JSON formated response for the given query parameters.
+        Any: JSON formated response for the given query parameters.
     """
 
     return get_response_from_endpoint("catalogue", endpoint, params).json()
 
 
-def get_cubefile(params: dict) -> str:
+def get_cubefile(params: dict) -> Any:
     """Method for downloading cube files from www-genesis.destatis.de.
 
     Args:
         params (dict): The query parameter as defined by the API.
 
     Returns:
-        str: The content of the cubefile.
+        Any: The content of the cubefile.
     """
 
     return get_response_from_endpoint("data", "cubefile", params).text
diff --git a/src/pygenesis/http_helper.py b/src/pygenesis/http_helper.py
index 190b53c..039425a 100644
--- a/src/pygenesis/http_helper.py
+++ b/src/pygenesis/http_helper.py
@@ -101,9 +101,9 @@ def _check_destatis_status(destatis_status: dict) -> None:
         ValueError: If the status code or type displays an error (caused by the user inputs)
     """
     # -1 status code for unexpected errors and if no status code is given (faulty response)
-    destatis_status_code = destatis_status.get("Code", -1)
-    destatis_status_type = destatis_status.get("Type")
-    destatis_status_content = destatis_status.get("Content")
+    destatis_status_code = int(destatis_status.get("Code", -1))
+    destatis_status_type = str(destatis_status.get("Type", "Information"))
+    destatis_status_content = str(destatis_status.get("Content"))
 
     # define status types
     error_en_de = ["Error", "Fehler"]