Thanks for sharing the quality report. In the following screenshot, you can see the initial images position (blue dot), and your flight plan the green lines. Unfortunatly this is not enough to find common points between the images (keypoints), and affects all the rest of the process.
For example, you can see here the overlap (read and yellow areas mean low overlap):
I suggest you increase the overlap that would definitly help the outputs. In this article we describe how much overlap you need depending on what you are mapping: https://support.pix4d.com/hc/en-us/articles/115002471546