Are you 100% sure you have all other drone related apps fully closed?
From the flight logs we have in our system it looks like the telemetry signal is being lost immediately after taking off which is why nothing is happening. You have to maintain a solid RC connection.
There appears to be one flight that did take some images. What was different about that one.
It looks like you are trying to use 90-95% overlap. Have you tried using smaller values?