System Debug

2️⃣ Critical Files Check

✅ Config file: config.php (4883 bytes)

✅ Database class: Database.php (13193 bytes)

✅ Login page: login.php (43573 bytes)

✅ Admin config manager: admin_config.php (49762 bytes)

✅ Login CSS: assets/css/login.css (8311 bytes)

✅ Login JS: assets/js/login.js (5192 bytes)

3️⃣ Database Connection Test

✅ Database connected successfully

Database info:

Array
(
    [host] => localhost
    [database] => admindtdagency_chat_dtdagency
    [charset] => utf8mb4
    [connected] => 1
    [query_count] => 0
    [debug_mode] => 
    [last_error] => 
)

✅ Active database: admindtdagency_chat_dtdagency

4️⃣ Config.php Constants Check

Checking constants...

✅ SITE_NAME: DTD Agency Chatbot AI

✅ SITE_URL: https://chatbotai.dtdagency.vn

✅ SITE_TITLE: DTD Agency - Hệ thống Chatbot thông minh cho Facebook Messenger

✅ SITE_DESCRIPTION: Giải pháp Chatbot AI tự động hóa chăm sóc khách hàng trên Facebook Messenger

✅ APP_VERSION: 6.4

✅ APP_VERSION_NAME: License Binding

✅ COMPANY_NAME: DTD Agency

✅ COMPANY_EMAIL: contact@dtdagency.vn

✅ PRIMARY_COLOR: #3498db

✅ SECONDARY_COLOR: #2980b9

✅ Function renderMetaTags() exists

5️⃣ Session Status

Warning: session_start(): Session cannot be started after headers have already been sent in /home/admindtdagency/public_html/chat.dtdagency.vn/debug_system.php on line 125

✅ Session started

Session ID:

Session data:



Warning:  Undefined global variable $_SESSION in /home/admindtdagency/public_html/chat.dtdagency.vn/debug_system.php on line 130

6️⃣ File Permissions Check

📁 config.php: 0644 (WRITABLE)

📁 login.php: 0644 (WRITABLE)

📁 admin_config.php: 0644 (WRITABLE)

📁 config_uploads: 0755 (WRITABLE)

7️⃣ Upload Directory Check

✅ config_uploads exists

Writable: YES

Files in directory:

background-1767403142.jpg
background-1767404597.png
background-1768662694.jpg
background-1768663143.jpg
background-1768663189.jpg
background-1768663219.jpg
background-1768663360.jpg
background-1768663486.jpg
background-1774410794.png
background-1774412698.jpg
background-1775117488.jpg
background-1775117587.jpg
favicon-1767535045.png
favicon-1767535064.png
favicon-1772026611.png
favicon-1774410744.png
favicon-1775892144.png
login-bg-1767358558.jpg
login-bg-1767358588.jpg
login-bg-1767358996.jpg
logo-1767358996.png
logo-1774410762.png
logo-1774414235.jpg
logo-1774414521.jpg
logo-1775117488.jpg
logo-1775117587.jpg
og-image-1767358996.jpg
og-image-1772026561.png
og-image-1774410794.png
og-image-1774412777.jpg
og-image-1775117488.jpg
og-image-1775117587.jpg

8️⃣ Assets Directory Check

✅ assets/ exists

✅ assets/css/ exists

📄 login.css

✅ assets/js/ exists

📄 login.js

9️⃣ Required PHP Extensions

✅ pdo

✅ pdo_mysql

✅ mbstring

✅ json

✅ session

🔟 Recent Error Log (if exists)

⚠️ Error log exists. Last 20 lines:

[19-Apr-2026 11:24:55 Asia/Ho_Chi_Minh] ⚠️ activity_logs table not found, skipping log
[19-Apr-2026 11:24:55 Asia/Ho_Chi_Minh] ✅ Login alert sent successfully
[19-Apr-2026 11:24:55 Asia/Ho_Chi_Minh] 📧 Login alert sent successfully for user: admin, status: success
[19-Apr-2026 11:24:55 Asia/Ho_Chi_Minh] ✅ LoginSecurityGuard Config loaded from DB: {"max_attempts":3,"block_duration":15}
[19-Apr-2026 11:24:55 Asia/Ho_Chi_Minh] 🔐 LoginSecurityGuard initialized: 3 attempts, 15 min block, IP: 171.225.205.106
[19-Apr-2026 11:25:21 Asia/Ho_Chi_Minh] ✅ Database connected successfully using Database class
[19-Apr-2026 11:25:21 Asia/Ho_Chi_Minh] ✅ System Facebook Config loaded - App ID: 1834148177257853
[19-Apr-2026 11:25:21 Asia/Ho_Chi_Minh] 🔐 Using verify token from system config: fd859ded87e05c378e8a...
[19-Apr-2026 11:25:48 Asia/Ho_Chi_Minh] ✅ Database connected successfully using Database class
[19-Apr-2026 11:25:48 Asia/Ho_Chi_Minh] ✅ System Facebook Config loaded - App ID: 1834148177257853
[19-Apr-2026 11:25:48 Asia/Ho_Chi_Minh] 🔐 Using verify token from system config: fd859ded87e05c378e8a...
[19-Apr-2026 11:25:56 Asia/Ho_Chi_Minh] ✅ Database connected successfully using Database class
[19-Apr-2026 11:25:56 Asia/Ho_Chi_Minh] ✅ System Facebook Config loaded - App ID: 1834148177257853
[19-Apr-2026 11:25:56 Asia/Ho_Chi_Minh] 🔐 Using verify token from system config: fd859ded87e05c378e8a...
[19-Apr-2026 11:26:31 Asia/Ho_Chi_Minh] ✅ LoginSecurityGuard Config loaded from DB: {"max_attempts":3,"block_duration":15}
[19-Apr-2026 11:26:31 Asia/Ho_Chi_Minh] 🔐 LoginSecurityGuard initialized: 3 attempts, 15 min block, IP: 171.225.205.106
[19-Apr-2026 11:26:44 Asia/Ho_Chi_Minh] ✅ Database connected successfully using Database class
[19-Apr-2026 11:26:44 Asia/Ho_Chi_Minh] ✅ System Facebook Config loaded - App ID: 1834148177257853
[19-Apr-2026 11:26:44 Asia/Ho_Chi_Minh] 🔐 Using verify token from system config: fd859ded87e05c378e8a...

🔍 SYSTEM DEBUG REPORT

1️⃣ PHP Version Check