Please help, I got an error when installing moodle mobile app
moodlemobile@4.4.0 start
> ionic serve --browser=$MOODLE_APP_BROWSER
> npm.cmd run ionic:serve:before
> moodlemobile@4.4.0 ionic:serve:before
> gulp
'gulp' is not recognized as an internal or external command,
operable program or batch file.
[ERROR] An error occurred while running subprocess npm.
npm.cmd run ionic:serve:before exited with exit code 1.
Re-running this command with the --verbose flag may provide more information