diff --git a/main.py b/main.py
index b8b0ea0..4af4a6a 100755
--- a/main.py
+++ b/main.py
@@ -12,6 +12,8 @@
 from src.Github.Github import Github as Github
 from src.SshKeyRepositoryParser.SshKeyRepositoryParserEpitech import \
     SshKeyRepositoryParserEpitech
+import os
+from github import GithubException
 
 DEFAULT_COMMIT: str = "CI/CD push"
 
@@ -27,6 +29,42 @@ class bcolors:
     BOLD = '\033[1m'
     UNDERLINE = '\033[4m'
 
+def check_all(github: Github,
+              sshParser: SshKeyRepositoryParserEpitech,
+              mirror_name: str):
+    try:
+        organization = github.get_organization(sshParser.organizationName)
+    except GithubException as err:
+        print(f"{bcolors.FAIL}"
+              "ERROR: Unable to find organization "
+              f"\"{sshParser.organizationName}\": "
+              f"{str(err.args[1]['message'])}{bcolors.ENDC}")
+        if err.args[1]['message'] == "Bad credentials":
+            print(f"{bcolors.HEADER}"
+                  "You maybe need to change the token in data.json"
+                  f"{bcolors.ENDC}")
+        exit(84)
+    try:
+        repository = organization.get_repo(sshParser.repositoryName)
+    except Exception as err:
+        print(f"{bcolors.FAIL}"
+              "ERROR: Unable to find repository "
+              f"\"{sshParser.repositoryName}\": "
+              f"{str(err.args[1]['message'])}{bcolors.ENDC}")
+        exit(84)
+    user = github.get_user()
+    try:
+        user.get_repo(mirror_name)
+        print(f"{bcolors.FAIL}"
+              "ERROR: Unable to create repository: "
+              f"{mirror_name} already exist{bcolors.ENDC}")
+        exit(84)
+    except Exception as err:
+        pass
+    if os.path.isdir(sshParser.projectName):
+        print(f"{bcolors.FAIL}ERROR: Unable to create directory: "
+              f"{sshParser.projectName} directory already exist{bcolors.ENDC}")
+        exit(84)
 
 def main():
     args = argumentManager()
@@ -45,7 +83,10 @@ def main():
     mirror_name = f"{sshParser.projectName}-mirror"
     if args.mirror_name is not None:
         mirror_name = args.mirror_name[0]
-    commit = (args.commit[0] if (args.commit is not None) else DEFAULT_COMMIT)
+    commit = DEFAULT_COMMIT
+    if args.commit is not None:
+        commit = args.commit[0]
+    check_all(github, sshParser, mirror_name)
     generate_mirror(sshParser.organizationName,
                     sshParser.repositoryName, github, mirror_name)
     generate_folders_with_repo(sshParser.sshKey, sshParser.projectName,
diff --git a/tests/BashUtils/__init__.py b/tests/BashUtils/__init__.py
deleted file mode 100644
index e69de29..0000000
diff --git a/tests/BashUtils/testBashUtils.py b/tests/BashUtils/testBashUtils.py
deleted file mode 100644
index 5f1fb22..0000000
--- a/tests/BashUtils/testBashUtils.py
+++ /dev/null
@@ -1,20 +0,0 @@
-#!/usr/bin/env python3
-# @Miou-zora Project, Mirror-Generator, 2023
-
-import unittest
-from src.Utils.BashUtils import BashUtils
-import os
-
-
-class TestBashUtils(unittest.TestCase):
-    def __init__(self, methodName: str = "runTest") -> None:
-        super().__init__(methodName)
-
-    def test_mkdir(self):
-        folder_name = "test_folder"
-        if os.path.exists(folder_name):
-            self.fail("Folder already exist: " + folder_name)
-        BashUtils.mkdir(folder_name)
-        if not os.path.exists(folder_name):
-            self.fail("Folder not created: " + folder_name)
-        os.rmdir(folder_name)