Please add git submodule update --init --recursive to Lizzie/Readme.txt · Issue #830 · featurecat/lizzie · GitHub
Git Submodule Cheatsheet. Clone repo with submodules included | by Kenichi Shibata | FAUN Publication
Guidance: git submodule update --init --recursive (Resource temporarily unavailable) · Issue #1264 · microsoft/terminal · GitHub
![Failed to recurse into submodule path 'modules/PX4Firmware' - Development Team - ArduPilot Discourse Failed to recurse into submodule path 'modules/PX4Firmware' - Development Team - ArduPilot Discourse](https://discuss.ardupilot.org/uploads/default/original/2X/f/f161adbcb081f400ced6323d492ecca4a8182a3c.png)