`brush si` commnd is failing

Running

brush si standard \
     -y \
     --site-name='Example.com' \
     --db-url='mysqli://user:user@db/default' \
     --account-mail="admin@example.com" \
     --account-name="admin" \
     --account-pass="admin" || true

gives:


You are about to create a sites/default/files directory and create a sites/default/settings.php file and drop your 'default' database and then create a new one. Do you want to continue? (y/n): y
copy(sites/default/default.settings.php): failed to open stream: No such file or directory brush.inc:1239                                                       [warning]
Failed to copy sites/default/default.settings.php to  sites/default/settings.php                                                                                [error]
Brush command terminated abnormally due to an unrecoverable error.

backdrop-contrib / brush

`brush si` commnd is failing #23