Page Not Found (404)
Looks like the page you requested doesn't exist.
postgres=# SELECT page FROM website WHERE url = '/docs/pgadmin4/4.9/toolbar.html'; page ------ (0 rows)
Here are pages with the same name from other versions of the documentation that are available:
postgres=# SELECT version, title FROM docs WHERE page = 'toolbar.html'; version | title -------------+---------------------------------------- 8.4 | Toolbar — pgAdmin 4 8.4 documentation 8.3 | Toolbar — pgAdmin 4 8.3 documentation 7.8 | Toolbar — pgAdmin 4 7.8 documentation 6.21 | Toolbar — pgAdmin 4 6.21 documentation Development | Toolbar — pgAdmin 4 8.4 documentation (5 rows)