This commit addresses the 500 error on the certificate-reports page by:
1. Adding proper error handling to certificate templates
2. Ensuring required classes are loaded in the right order
3. Adding try-catch blocks for better error reporting
4. Creating diagnostic and troubleshooting tools
5. Fixing method signature issues in the certificate manager
The issues were caused by missing database tables or classes not being loaded in the correct order.
Additional improvements:
- Added certificate system diagnostic scripts
- Added comprehensive troubleshooting documentation
- Added automated fix deploy script
- Add certificate database table for storing certificate records
- Create certificate generator using TCPDF library
- Implement certificate template system with HTML templates
- Add certificate management UI for viewing, emailing, and revoking
- Add AJAX handlers for certificate actions
- Implement secure certificate download with tokenization
- Create certificate reports and generation pages with appropriate UI
🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>