diff --git a/src/Security/SQLLoginUserAuthenticator.php b/src/Security/SQLLoginUserAuthenticator.php
index 3af54a3..0c64c59 100644
--- a/src/Security/SQLLoginUserAuthenticator.php
+++ b/src/Security/SQLLoginUserAuthenticator.php
@@ -11,7 +11,6 @@ use App\SQLLogin\Exception\InvalidSQLPasswordException;
 use App\SQLLogin\Exception\LoginElementsConfigurationException;
 use App\SQLLogin\Exception\SecurityPatternConfigurationException;
 use App\SQLLogin\SQLLoginRequest;
-use Exception;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
@@ -33,15 +32,12 @@ class SQLLoginUserAuthenticator extends AbstractLoginFormAuthenticator
     public const ERROR_SECURITY_PATTERN_CONFIGURATION = 'error_security_pattern_configuration';
 
     private string $baseUrl;
-    private SQLLoginService $sqlLoginService;
-    private PasswordEncoder $passwordHasher;
-    private SQLLoginRequest $sqlLoginRequest;
 
     public function __construct(
         string $baseUrl,
-        SQLLoginService $sqlLoginService,
-        PasswordEncoder $passwordHasher,
-        SQLLoginRequest $sqlLoginRequest
+        private SQLLoginService $sqlLoginService,
+        private PasswordEncoder $passwordHasher,
+        private SQLLoginRequest $sqlLoginRequest
     ) {
         $this->baseUrl = $baseUrl;
         $this->sqlLoginService = $sqlLoginService;
@@ -82,8 +78,11 @@ class SQLLoginUserAuthenticator extends AbstractLoginFormAuthenticator
             $datas = $this->sqlLoginService->fetchPasswordAndDatas($login);
             $remoteHashedPassword = $datas[$this->sqlLoginRequest->getPasswordColumnName()];
             unset($datas[$this->sqlLoginRequest->getPasswordColumnName()]);
-            $remoteSalt = $datas[$this->sqlLoginRequest->getSaltColumnName()];
-            unset($datas[$this->sqlLoginRequest->getSaltColumnName()]);
+            $remoteSalt = null;
+            if ($this->sqlLoginRequest->getSaltColumnName() && isset($datas[$this->sqlLoginRequest->getSaltColumnName()])) {
+                $remoteSalt = $datas[$this->sqlLoginRequest->getSaltColumnName()];
+                unset($datas[$this->sqlLoginRequest->getSaltColumnName()]);
+            }
         } catch (DatabaseConnectionException $e) {
             $session->set(self::ERROR_PDO, true);
             throw new AuthenticationException();
@@ -93,20 +92,15 @@ class SQLLoginUserAuthenticator extends AbstractLoginFormAuthenticator
         } catch (DataToFetchConfigurationException $e) {
             $session->set(self::ERROR_DATA_TO_FETCH_CONFIGURATION, true);
             throw new AuthenticationException();
-        } catch (Exception $exception) {
-            $request->getSession()->set(self::ERROR_LOGIN, true);
-            throw new AuthenticationException();
         }
 
         if (null === $remoteHashedPassword) {
             $remoteHashedPassword = '';
         }
-
         try {
             // Comparaison remote hash et hash du input password + salt
             $this->passwordHasher->verify($remoteHashedPassword, $plaintextPassword, $remoteSalt);
             $user = new User($login, $remoteHashedPassword, $datas, $rememberMe);
-
             $loader = function (string $userIdentifier) use ($user) {
                 return $user->getLogin() == $userIdentifier ? $user : null;
             };
@@ -120,12 +114,6 @@ class SQLLoginUserAuthenticator extends AbstractLoginFormAuthenticator
         } catch (InvalidSQLPasswordException $e) {
             $session->set(self::ERROR_LOGIN, true);
             throw new AuthenticationException();
-        } catch (DataToFetchConfigurationException $e) {
-            $session->set(self::ERROR_DATA_TO_FETCH_CONFIGURATION, true);
-            throw new AuthenticationException();
-        } catch (DatabaseConnectionException $e) {
-            $session->set(self::ERROR_PDO, true);
-            throw new AuthenticationException();
         } catch (SecurityPatternConfigurationException $e) {
             $session->set(self::ERROR_SECURITY_PATTERN_CONFIGURATION, true);
             throw new AuthenticationException();