No points could be detected in the image

[prq321]

Hi, when i try to run this project, the images I entered didn't detect any points,here are some screenshots, can someone help me with this issues, Thanks in advance! The command which i used is :multical boards --boards example_boards/aprilgrid_9x9.yaml --detect cam0/image01.jpg

The output result which i get is:

[prq321]

I find that aprilgird did not support on windows, but it did not influence the following process, so i ignore this message at this stage