Steps to reproduce:

1. Navigate to "DataCollection/Hosts" view
2. At hosts list select any of listed host (eg 'testhost.testdomain') and click on "Graphs" link
3. Click on "Create Graph" button at top right position
4. At graph creation form, give name for graph (eg 'test graph 01')
5. At graph creation form, select graph type 'Normal'
6. At graph creation form, select 2 keys that are result of Low Level Discovery (eg 'vfs.fs.dependent.size[/backup,pused]' and vfs.fs.dependent.size[/,pused])
7. At graph creation form, click 'Add' to create graph 'test graph 01'
8. 

Result:

1. Error appears at "DataCollection/Hosts/Graphs" for host that have this newly created graph: "Undefined array key "status" [graphs.php:750 → CView->getOutput() → include() in include/views/configuration.graph.list.php:237]"

This event is only logged at /var/log/nginx/error.log :

2024/09/11 09:40:39 [error] 1119#1119: *3653 FastCGI sent in stderr: "PHP message: PHP Warning:  Undefined array key "status" in /usr/share/zabbix/include/views/configuration.graph.list.php on line 237" while reading response header from upstream, client: 192.168.214.201, server: perfmon7.ping.ba, request: "GET /graphs.php?filter_set=1&filter_hostids%5B0%5D=10637&context=host HTTP/1.1", upstream: "fastcgi://unix:/var/run/php/zabbix.sock:", host: "perfmon7.ping.ba", referrer: "http://perfmon7.ping.ba/zabbix.php?action=host.list"

Expected:

No Error.