Razorpay payment callback error - CodeIgnitor

I am looking for a CodeIgniter developer with experience in handling Razorpay payment callbacks. The project involves resolving a callback error that is currently being encountered. He must solve the issue in 1 hour & also fix the issue of card not generating.

Requirements:
- Proficiency in CodeIgniter, specifically version 4.x
- Strong understanding of Razorpay payment gateway integration
- Experience in troubleshooting and resolving callback errors

Skills and Experience:
- CodeIgniter (4.x)
- Razorpay payment gateway integration
- Callback error troubleshooting and resolution