I lost all of my subtasks today, and if I try to enter them, they won't take.

I opened up WeekPlan after working hard to set up a list of subtasks for a repeating event. I could see them last night, and even this morning. Then I refreshed, and they were gone!!!!! I entered them at home in iPad. Is it because it maybe synced to what was online vs. what was entered in my iPad, so all of my iPad changes were lost?