Fix Woocommerce Payment Issues

My Woocommerce online shop is experiencing payment issues that need urgent attention. Customers are unable to complete payments, and the problem could involve credit/debit cards and PayPal.

Key Requirements:
- Diagnose and resolve payment issues
- Ensure payment gateways load properly
- Test and confirm functionality for all users

Ideal Skills and Experience:
- Expertise in Woocommerce and payment gateways
- Experience troubleshooting payment issues
- Familiarity with WordPress and site error diagnostics