diff --git a/main.py b/main.py
index 309133f..c9c26b2 100644
--- a/main.py
+++ b/main.py
@@ -1,7 +1,7 @@
 from sys import argv
 from os import environ
 from dotenv import load_dotenv
-from cloudscraper import create_scraper
+from cloudscraper import CloudScraper, create_scraper
 
 class Scraper:
     def __init__(self, pseudo, password, app, debug = False):
@@ -14,38 +14,42 @@ class Scraper:
             "login": "Login"
         }
 
-    def errorFormat(self, code: int, message: str = "") -> str:
-        return f"Error: [{code}]{' ' if len(message) > 0 else ''}{message}"
+    def errorFormat(self, code: int = None, message: str = "") -> str:
+        return f"{f'[{code}]' if code else ''}{' ' if len(message) > 0 and code else ''}{message}"
 
-    def connect(self):
+    def connect(self) -> CloudScraper:
         session = create_scraper(browser = {"browser": "chrome", "platform": "windows"}) # connect with cloudflare bypasser with a chrome browser on windows
 
         if self.debug: print("Retrieval of the login SID...", end = " ")
-        reponse = session.get(f"{self.url}/ucp.php?mode=login") # get login page to get "sid"
+        reponse = session.get(f"{self.url}/ucp.php", params = {"mode": "login"}) # get login page to get "sid"
         if reponse.status_code != 200:
-            raise ConnectionError(self.errorFormat(reponse.status_code))
-        self.loginData["sid"] = reponse.cookies.get_dict()["ppcw_29d3s_sid"] # register "sid"
+            raise ConnectionError(self.errorFormat(code = reponse.status_code))
+        try:
+            self.loginData["sid"] = reponse.cookies.get_dict()["ppcw_29d3s_sid"] # register "sid"
+        except:
+            raise ValueError(self.errorFormat(message = "Cookie containing the SID not found."))
+        if self.debug: print("SID retrieval done,", end = " ")
 
-        if self.debug: print("SID retrieval done, connection attempt...", end = " ")
-        reponse = session.post(f"{self.url}/ucp.php?mode=login", data = self.loginData) # connect to the forum using credentials
+        if self.debug: print("connection attempt...", end = " ")
+        reponse = session.post(f"{self.url}/ucp.php", data = self.loginData, params = {"mode": "login"}) # connect to the forum using credentials
         if reponse.status_code != 200:
-            raise ConnectionRefusedError(self.errorFormat(reponse.status_code))
-
+            raise ConnectionRefusedError(self.errorFormat(code = reponse.status_code))
         if self.debug: print("Connection done.")
-        reponse = session.get(f"{self.url}/index.php", cookies = reponse.cookies, params = {"sid": self.loginData["sid"]})
-        if self.debug: print(reponse.status_code, reponse.url)
-        with open("temp.html", "w") as f: # debug
-            f.writelines(reponse.text)
+
+        reponse = session.get(f"{self.url}/index.php", cookies = reponse.cookies, params = {"sid": self.loginData["sid"]}) # back to index page
 
         return session
 
-    def search(self, session):
+    def search(self, session) -> str:
         if self.debug: print("Going to search page...", end = " ")
+        reponse = session.get(f"{self.url}/index.php")
+        with open("temp.html", "w") as f: # debug
+            f.writelines(reponse.text)
 
         link = "No link for your application was found."
         return link
 
-    def work(self):
+    def work(self) -> str:
         session = self.connect()
         link = self.search(session)
 
@@ -63,5 +67,5 @@ if __name__ == "__main__":
             except:
                 debug = False
             print(Scraper(environ["PSEUDO_MOBILISM"], environ["PASSWORD_MOBILISM"], environ["APP_MOBILISM"], debug).work())
-        except:
+        except KeyError:
             print('Please fill in the username and password (with ") by args or with .env file.')