Orthomosaic output image issue

I use trail version for my Education Project. Just after processing images I got distorted Orthomosaic output form drone imagery.
I use DJI Phantom 4RTK and need quick advice from anyone. See the output of the image

Hello and welcome to our Community!

Please send us the quality report of your project so that we can better understand the case. The quality report can be found here:
▸ The quality report (.pdf format): …\project_name\1_initial\report\project_name_report.pdf

As described in this article:

Having a very high overlap and increasing the flight height, the results can be improved for dense vegetation areas. How much was the overlap and what is the flight height of your project?