I have reached page 68 (Build a Home Automation System), but when I enter the dashboard (http://192.168.1.6:1880/ui) the logo appears but no buttons or menus.
Ι use macOS High Sierra and pi4/8gb.
node-red log
Welcome to Node-RED
===================

6 Dec 21:34:41 – [info] Node-RED version: v1.2.6
6 Dec 21:34:41 – [info] Node.js version: v14.15.1
6 Dec 21:34:41 – [info] Darwin 17.7.0 x64 LE
6 Dec 21:34:42 – [info] Loading palette nodes
6 Dec 21:34:43 – [info] Settings file : /Users/angelos/.node-red/settings.js
6 Dec 21:34:43 – [info] Context store : ‘default’ [module=memory]
6 Dec 21:34:43 – [info] User directory : /Users/angelos/.node-red
6 Dec 21:34:43 – [warn] Projects disabled : editorTheme.projects.enabled=false
6 Dec 21:34:43 – [info] Flows file : /Users/angelos/.node-red/log
6 Dec 21:34:43 – [info] Creating new flow file
6 Dec 21:34:43 – [warn]
if you need more info, let me now!
nn