System Information

OpenCV python version: 4.6.0
Python version: 3.10.8
Operating System / Platform: Archlinux 6.0.2-arch1-1

Detailed description

Can't create the Vgg-16 net from DarkNet

Error: Unknown layer type: crop in function 'ReadDarknetFromCfgStream'

Steps to reproduce

cv2.dnn.readNetFromDarknet('vgg-16.cfg', '') # model is not needed to reproduce the issue

vgg-16.cfg

Issue submission checklist

• I report the issue, it's not a question
• I checked the problem with documentation, FAQ, open issues, forum.opencv.org, Stack Overflow, etc and have not found any solution
• I updated to the latest OpenCV version and the issue is still there
• There is reproducer code and related data files (videos, images, onnx, etc)