Software quit unexptected with 8 camera

Before i used to feel good with this software. But after add 4 more cameras, total camera become 8 and after add all to IP CV 2 it start to quit unexpected many time, just after I open it several seconds.
It happens both on Macbook Air 13 and 12”.
Please help to fix this soon

EvelynSalazar about IP Camera Viewer 2