Suddenly the preview of the navigation graph just dissapear. After a deep research I figure out this problem was triggered right after adding the amplify depend
php-7.2
stringification
appixia
warp
intersystems
preventdefault
repaint
entity-framework-core
fluent-bit-rewrite-tag
mindsdb
stringwriter
android-task
modified-preorder-tree-t
fbsdksharekit
typesetting
marshalling
windows-server-2008-r2
hce
xing
hyperlink
asp.net-ajax
winsock
tinydb
woocommerce-product-bundles
sap-business-one-di-api
objectarx
distribute
asp.net-mvc-sitemap
failed-to-connect
windowless