[BUG] Lessons.church new lesson not working

[mbyrdLCS]

Platform

Web

Application

Lessons.church

Description

Issue

URL https://lessons.church/ark-preschool/summer-to-max-vol-3/i-can-show-love-to-all returns a 400 error, while other lessons in the same study work fine.

What We Found

1. Slugs are correct: program=ark-preschool, study=summer-to-max-vol-3, lesson=i-can-show-love-to-all
2. Lesson exists: "Summer To The Max Lesson 8 - I Can Show Love To All" is live in the admin
3. Venue exists: Lesson has "Large Group" venue configured (like other working lessons)
4. Error is vague: API returns AxiosError: Request failed with status code 400 with no details

Steps to Reproduce

go here: https://lessons.church/ark-preschool/summer-to-max-vol-3/i-can-show-love-to-all

Logs / Error Messages (optional)

See error details
AxiosError: Request failed with status code 400

Church Name (optional)

No response