Error While Adding Lessons to a Course

I made my own course, the course is on a book available from the Gutenberg library, when I attempt to save and generate the lesson, it appears as if it saves in a normalistic fashion, yet when I click “View Lesson” it takes me back to the very first lesson I already did generate.

This is a feature I ran in to a while ago, and, was a big step in order to demotivate me from continuing my language learning journey, if I am not able to organize my lessons in to a single course then it contributes to making it a very nonutiliarian user interface.

Lessons put in to the same course do not appear despite success in save and generation.