diff --git a/assets/images/uploads/thumbnail_694350f6c1cc1.jpg b/assets/images/uploads/thumbnail_694350f6c1cc1.jpg
new file mode 100644
index 0000000..88be0ec
Binary files /dev/null and b/assets/images/uploads/thumbnail_694350f6c1cc1.jpg differ
diff --git a/includes/ImageProcessor.php b/includes/ImageProcessor.php
index 00cffea..4048336 100644
--- a/includes/ImageProcessor.php
+++ b/includes/ImageProcessor.php
@@ -12,12 +12,14 @@ class ImageProcessor {
      */
     public static function processAndSaveImage(array $file) {
         if (!isset($file['tmp_name']) || $file['error'] !== UPLOAD_ERR_OK) {
+            error_log("ImageProcessor: No file uploaded or an error occurred. File error code: " . ($file['error'] ?? 'unknown'));
             return false; // No file uploaded or an error occurred
         }
 
         // Validate file type
         $allowedTypes = ['image/jpeg', 'image/png', 'image/gif'];
         if (!in_array($file['type'], $allowedTypes)) {
+            error_log("ImageProcessor: Invalid file type uploaded: " . $file['type']);
             return false; // Invalid file type
         }
 
@@ -33,11 +35,13 @@ class ImageProcessor {
 
         // Move the uploaded file
         if (!move_uploaded_file($file['tmp_name'], $targetPath)) {
+            error_log("ImageProcessor: Failed to move uploaded file from " . $file['tmp_name'] . " to " . $targetPath);
             return false; // Failed to move uploaded file
         }
 
         // Resize image
         if (!self::resizeImage($targetPath, $file['type'])) {
+            error_log("ImageProcessor: Failed to resize image: " . $targetPath);
             // If resizing fails, you might want to delete the original uploaded file
             unlink($targetPath);
             return false;
@@ -75,6 +79,7 @@ class ImageProcessor {
                 $image = imagecreatefromgif($imagePath);
                 break;
             default:
+                error_log("ImageProcessor: Unsupported image type for resizing: " . $mimeType);
                 return false; // Unsupported image type for resizing
         }
 
diff --git a/submit.php b/submit.php
index 4f91207..978a88e 100644
--- a/submit.php
+++ b/submit.php
@@ -1,8 +1,14 @@
 <?php
+ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1);
+error_reporting(E_ALL);
+
 session_start();
 require_once __DIR__ . '/db/config.php';
 require_once __DIR__ . '/includes/ImageProcessor.php';
 
+error_log("submit.php: Script started.");
+
 if (!isset($_SESSION['user_id'])) {
     header("Location: login.php");
     exit;
@@ -23,6 +29,7 @@ if (!empty($categories)) {
 }
 
 if ($_SERVER["REQUEST_METHOD"] == "POST") {
+    error_log("submit.php: POST request received.");
     $title = trim($_POST['title'] ?? '');
     $url = trim($_POST['url'] ?? '');
     $description = trim($_POST['description'] ?? '');
@@ -41,20 +48,26 @@ if ($_SERVER["REQUEST_METHOD"] == "POST") {
         $thumbnail_url = null; 
 
         if (isset($_FILES['thumbnail']) && $_FILES['thumbnail']['error'] === UPLOAD_ERR_OK) {
+            error_log("submit.php: Image upload detected. Processing image...");
             $uploadedImagePath = ImageProcessor::processAndSaveImage($_FILES['thumbnail']);
             if ($uploadedImagePath) {
                 $thumbnail_url = $uploadedImagePath;
+                error_log("submit.php: Image processed successfully. Path: " . $uploadedImagePath);
             } else {
                 $errors[] = 'Failed to process uploaded image. Please ensure it is a valid image file (JPEG, PNG, GIF).';
+                error_log("submit.php: Failed to process uploaded image.");
             }
         }
 
         try {
+            error_log("submit.php: Attempting database insertion...");
             $stmt = $pdo->prepare("INSERT INTO links (user_id, subcategory_id, title, url, description, thumbnail_url, status) VALUES (?, ?, ?, ?, ?, ?, ?)");
             $stmt->execute([$_SESSION['user_id'], $subcategory_id, $title, $url, $description, $thumbnail_url, $status]);
             $success = true;
+            error_log("submit.php: Database insertion successful.");
         } catch (PDOException $e) {
             $errors[] = "Database error: " . $e->getMessage();
+            error_log("submit.php: Database error: " . $e->getMessage());
         }
     }
 }