Sign into your Admin account
From the Navigation menu at the Left side
Press on Focus insights > Courses
Press on the Number of Teachers assigned to the required Course to View the Teachers names
Press on the Teacher name
Now you are redirected to the interface of the Teacher
Press on Course Planner to View it
To Edit the Course planner :
Press on the pen icon beside the Topic
Now , you can edit the Topic and Subtopics
To Edit/ Delete the Lesson plan
Press on the Subtopic , then the lesson name and start editing / Deleting
Don't forget to press Save
To Apply Deleting on Topic or Subtopic , Press on the Delete icon beside them
Putting in consideration that any Deleting of Topic/Subtopic/Lesson plans or Editing in their names will result in losing any assignments / quizzes / Grade items linked to them.