It won't let me enter my info...help please – Arm Workouts - Owning Perfect Arms in 12 Days Review

I downloaded the app and tried entering my info (height, weight, etc) and when I click the start button a pop up window alerts me to enter all information which I thought I just did. Please help and thanks.
Review by ~charmz~ on Arm Workouts - Owning Perfect Arms in 12 Days.