Trellis -> vagrant initial setup fails on wordpress-install: setup Permalink Structure

Having issues when activating vagrant task under trellis initial setup. Below is what is kicking back, any ideas?

TASK [wordpress-install : Setup Permalink Structure] ***************************
System info:
  Ansible 2.0.2.0; Vagrant 1.8.5; Darwin
  Trellis at "WP 4.6 Compat: set WP_HOME/SITEURL directly"
---------------------------------------------------
PHP Fatal error:  Uncaught Error: Class 'Roots\Sage\Assets\JsonManifest' not
found in /srv/www/demo.dev/current/web/app/themes/demo/src/helpers.php:25
Stack trace:
#0 /srv/www/demo.dev/current/web/app/themes/demo/src/setup.php(65):
App\asset_path('styles/main.css')
#1 /srv/www/demo.dev/current/web/wp/wp-includes/plugin.php(524):
App\{closure}('')
#2 /srv/www/demo.dev/current/web/wp/wp-settings.php(395):
do_action('after_setup_the...')
#3 phar:///usr/bin/wp/php/WP_CLI/Runner.php(960):
require('/srv/www/demo.d...')
#4 phar:///usr/bin/wp/php/WP_CLI/Runner.php(904):
WP_CLI\Runner->load_wordpress()
#5 phar:///usr/bin/wp/php/wp-cli.php(21): WP_CLI\Runner->start()
#6 phar:///usr/bin/wp/php/boot-phar.php(5): include('phar:///usr/bin...')
#7 /usr/bin/wp(4): include('phar:///usr/bin...')
#8 {main}
  thrown in /srv/www/demo.dev/current/web/app/themes/demo/src/helpers.php on
line 25
Fatal error: Uncaught Error: Class 'Roots\Sage\Assets\JsonManifest' not found
in /srv/www/demo.dev/current/web/app/themes/demo/src/helpers.php:25
Stack trace:
#0 /srv/www/demo.dev/current/web/app/themes/demo/src/setup.php(65):
App\asset_path('styles/main.css')
#1 /srv/www/demo.dev/current/web/wp/wp-includes/plugin.php(524):
App\{closure}('')
#2 /srv/www/demo.dev/current/web/wp/wp-settings.php(395):
do_action('after_setup_the...')
#3 phar:///usr/bin/wp/php/WP_CLI/Runner.php(960):
require('/srv/www/demo.d...')
#4 phar:///usr/bin/wp/php/WP_CLI/Runner.php(904):
WP_CLI\Runner->load_wordpress()
#5 phar:///usr/bin/wp/php/wp-cli.php(21): WP_CLI\Runner->start()
#6 phar:///usr/bin/wp/php/boot-phar.php(5): include('phar:///usr/bin...')
#7 /usr/bin/wp(4): include('phar:///usr/bin...')
#8 {main}
  thrown in /srv/www/demo.dev/current/web/app/themes/demo/src/helpers.php on
line 25
failed: [default] (item=demo.dev) => {"changed": true, "cmd": ["wp", "rewrite", "structure", "/%postname%/", "--allow-root"], "delta": "0:00:00.240026", "end": "2016-09-07 06:43:29.089924", "failed": true, "item": "demo.dev", "rc": 255, "start": "2016-09-07 06:43:28.849898", "stderr": "PHP Fatal error:  Uncaught Error: Class 'Roots\\Sage\\Assets\\JsonManifest' not found in /srv/www/demo.dev/current/web/app/themes/demo/src/helpers.php:25\nStack trace:\n#0 /srv/www/demo.dev/current/web/app/themes/demo/src/setup.php(65): App\\asset_path('styles/main.css')\n#1 /srv/www/demo.dev/current/web/wp/wp-includes/plugin.php(524): App\\{closure}('')\n#2 /srv/www/demo.dev/current/web/wp/wp-settings.php(395): do_action('after_setup_the...')\n#3 phar:///usr/bin/wp/php/WP_CLI/Runner.php(960): require('/srv/www/demo.d...')\n#4 phar:///usr/bin/wp/php/WP_CLI/Runner.php(904): WP_CLI\\Runner->load_wordpress()\n#5 phar:///usr/bin/wp/php/wp-cli.php(21): WP_CLI\\Runner->start()\n#6 phar:///usr/bin/wp/php/boot-phar.php(5): include('phar:///usr/bin...')\n#7 /usr/bin/wp(4): include('phar:///usr/bin...')\n#8 {main}\n  thrown in /srv/www/demo.dev/current/web/app/themes/demo/src/helpers.php on line 25\nFatal error: Uncaught Error: Class 'Roots\\Sage\\Assets\\JsonManifest' not found in /srv/www/demo.dev/current/web/app/themes/demo/src/helpers.php:25\nStack trace:\n#0 /srv/www/demo.dev/current/web/app/themes/demo/src/setup.php(65): App\\asset_path('styles/main.css')\n#1 /srv/www/demo.dev/current/web/wp/wp-includes/plugin.php(524): App\\{closure}('')\n#2 /srv/www/demo.dev/current/web/wp/wp-settings.php(395): do_action('after_setup_the...')\n#3 phar:///usr/bin/wp/php/WP_CLI/Runner.php(960): require('/srv/www/demo.d...')\n#4 phar:///usr/bin/wp/php/WP_CLI/Runner.php(904): WP_CLI\\Runner->load_wordpress()\n#5 phar:///usr/bin/wp/php/wp-cli.php(21): WP_CLI\\Runner->start()\n#6 phar:///usr/bin/wp/php/boot-phar.php(5): include('phar:///usr/bin...')\n#7 /usr/bin/wp(4): include('phar:///usr/bin...')\n#8 {main}\n  thrown in /srv/www/demo.dev/current/web/app/themes/demo/src/helpers.php on line 25", "stdout": "", "stdout_lines": [], "warnings": []}

This is a known issue already.