Learndash Quiz Modification Assistance

I need help modifying an existing quiz on Learndash.
Specifically, I'm unable to add a quiz I have created in the builder.
Please use the reference Blue Sky if you want to connect
Ideal skills and experience:
- Expertise in Learndash
- Experience with course builder tools
- Troubleshooting issues in LMS platforms

Please provide relevant experience in your bids.