Fehler bei Aufruf der OU FORUM

Habe in verschiedenen Browsern, auch nach Relogin folgenden Fehler, wenn ich die OU FORUM aufrufe: https://netvs.scc.kit.edu/org/ou/FORUM (im Vergleich funktioniert Aufruf der OU SCC-NET ohne Fehler)

json
{
    "stack": "TypeError: Cannot read properties of undefined (reading 'first_name')\n    at fn (https://netvs.scc.kit.edu/js/chunk-5ae8284e.245775de.js:1:3071)\n    at o (https://netvs.scc.kit.edu/js/chunk-vendors.f7ecb6ea.js:10:19631)\n    at a.Ke [as _t] (https://netvs.scc.kit.edu/js/chunk-vendors.f7ecb6ea.js:10:16858)\n    at fn (https://netvs.scc.kit.edu/js/chunk-5ae8284e.245775de.js:1:44246)\n    at o (https://netvs.scc.kit.edu/js/chunk-vendors.f7ecb6ea.js:10:19631)\n    at ps (https://netvs.scc.kit.edu/js/chunk-vendors.f7ecb6ea.js:26:95628)\n    at a.normalizeSlot (https://netvs.scc.kit.edu/js/chunk-vendors.f7ecb6ea.js:26:96202)\n    at a.renderTbodyRowCell (https://netvs.scc.kit.edu/js/chunk-vendors.f7ecb6ea.js:26:451733)\n    at https://netvs.scc.kit.edu/js/chunk-vendors.f7ecb6ea.js:26:452168\n    at Array.map (<anonymous>)",
    "message": "Cannot read properties of undefined (reading 'first_name')",
    "route_info": {
        "path": "/org/ou/FORUM"
    },
    "session_info": {
        "browser": {
            "app_code_name": "Mozilla",
            "vendor": "Google Inc.",
            "user_agent": "Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/128.0.0.0 Safari/537.36"
        },
        "login_name": "se7337"
    },
    "netvs": {
        "build_id": "1475754f,Job ID 1329079@ci-netdb-1.net.scc.kit.edu kit-gitlab/scc-net runner",
        "sysinfo": {
            "version": "beta",
            "version_name": "Grågylling",
            "mods": [
                "login_oic",
                "macfinder",
                "dhcp_leases",
                "ip_contact",
                "domain_finder",
                "patch_request"
            ],
            "host_oper_mode": {
                "is_devel": false,
                "is_prod": true,
                "is_test": false,
                "mode": "prod"
            },
            "js_mods": [
                "domainfinder",
                "login_oic",
                "ip_contact",
                "macfinder",
                "dhcp_leases",
                "dnsvs",
                "patchrequest",
                "netdoc",
                "macauth"
            ],
            "netdb_admin_base": "https://admin.netdb.scc.kit.edu"
        }
    }
}