Fix Site Error on Hostinger

I need an experienced freelancer to fix a database connection error on my site hosted on Hostinger. The site currently has a redeem page and an admin panel.

The job includes:
- Fixing the database connection error
- Editing both the redeem page and the admin panel
- Adding access controls to the admin panel for security

Requirements:
- Proficiency in MySQL
- Experience with Hostinger and site error resolution
- Ability to deliver and test the site by the end of the day

Please ensure the site is functional and secure before delivery.