diff --git a/src/DotenvVault.php b/src/DotenvVault.php
index 1ab8436..172b8cd 100644
--- a/src/DotenvVault.php
+++ b/src/DotenvVault.php
@@ -62,7 +62,7 @@ public function __construct(
      *
      * @return \Dotenv\Dotenv
      */
-    public static function create(RepositoryInterface $repository, $paths, $names = null, bool $shortCircuit = true, string $fileEncoding = null)
+    public static function create(RepositoryInterface $repository, $paths, $names = null, bool $shortCircuit = true, ?string $fileEncoding = null)
     {
         $builder = $names === null ? StoreBuilder::createWithDefaultName() : StoreBuilder::createWithNoNames();
 
@@ -91,7 +91,7 @@ public static function create(RepositoryInterface $repository, $paths, $names =
      *
      * @return \DotenvVault\DotenvVault
      */
-    public static function createMutable($paths, $names = null, bool $shortCircuit = true, string $fileEncoding = null)
+    public static function createMutable($paths, $names = null, bool $shortCircuit = true, ?string $fileEncoding = null)
     {
         $repository = RepositoryBuilder::createWithDefaultAdapters()->make();
 
@@ -108,7 +108,7 @@ public static function createMutable($paths, $names = null, bool $shortCircuit =
      *
      * @return \DotenvVault\DotenvVault
      */
-    public static function createUnsafeMutable($paths, $names = null, bool $shortCircuit = true, string $fileEncoding = null)
+    public static function createUnsafeMutable($paths, $names = null, bool $shortCircuit = true, ?string $fileEncoding = null)
     {
         $repository = RepositoryBuilder::createWithDefaultAdapters()
             ->addAdapter(PutenvAdapter::class)
@@ -127,7 +127,7 @@ public static function createUnsafeMutable($paths, $names = null, bool $shortCir
      *
      * @return \DotenvVault\DotenvVault
      */
-    public static function createImmutable($paths, $names = null, bool $shortCircuit = true, string $fileEncoding = null)
+    public static function createImmutable($paths, $names = null, bool $shortCircuit = true, ?string $fileEncoding = null)
     {
         $repository = RepositoryBuilder::createWithDefaultAdapters()->immutable()->make();
 
@@ -144,7 +144,7 @@ public static function createImmutable($paths, $names = null, bool $shortCircuit
      *
      * @return \DotenvVault\DotenvVault
      */
-    public static function createUnsafeImmutable($paths, $names = null, bool $shortCircuit = true, string $fileEncoding = null)
+    public static function createUnsafeImmutable($paths, $names = null, bool $shortCircuit = true, ?string $fileEncoding = null)
     {
         $repository = RepositoryBuilder::createWithDefaultAdapters()
             ->addAdapter(PutenvAdapter::class)
@@ -180,7 +180,7 @@ public function load()
 
     public function _log($message)
     {
-        error_log("[dotenv-vault][INFO] {$message}");
+//        error_log("[dotenv-vault][INFO] {$message}", 4);
     }
 
     public function _loadDotenv()
@@ -236,7 +236,7 @@ public function _decryptVault()
 
                 // Decrypt
                 $decrypted = (new Decrypter())->decrypt($attrs['ciphertext'], $attrs['key']);
-                
+
                 // If successful, break the loop
                 break;
             } catch (Exception $error) {