litchi crash tree last waypoint

Has anyone else experienced this? Today tried to do an orbit around a park. once everything was programmed in, I set the drone off to do the orbit. After ascending to the required height and moving north, I saw that the drone was getting closer to some trees than intended (about 100 metres...

Guys, I really like the idea of planning flights before you actually get the Mavic in the air... Litchi can do this but I felt a little worried. So I designed a short and easy mission with the Mavic in a line of sight all the time. After the mission was completed the aircraft flew away instead...