Server response: Unsupported profile: linksys,wrt1900acs

{
    "url": "https://sysupgrade.openwrt.org",
    "revision": "r19803-9a599fee93",
    "advanced_mode": "1",
    "branch": "22.03",
    "efi": null,
    "profile": "linksys,wrt1900acs",
    "target": "mvebu/cortexa9",
    "version": "22.03.4",
    "packages": [
        "auc",
        "base-files",
        "busybox",
        "ca-bundle",
        "cgi-io",
        "curl",
        "dnsmasq",
        "dropbear",
        "firewall",
        "fstools",
        "fwtool",
        "getrandom",
        "hostapd-common",
        "ip6tables-nft",
        "iptables-nft",
        "iwinfo",
        "jshn",
        "jsonfilter",
        "kernel",
        "kmod-gpio-button-hotplug",
        "kmod-ip6tables",
        "kmod-ipt-conntrack",
        "kmod-ipt-core",
        "kmod-ipt-nat",
        "kmod-ipt-offload",
        "kmod-lib-crc-ccitt",
        "kmod-mwlwifi",
        "kmod-nf-conntrack",
        "kmod-nf-conntrack6",
        "kmod-nf-flow",
        "kmod-nf-ipt",
        "kmod-nf-ipt6",
        "kmod-nf-nat",
        "kmod-nf-reject",
        "kmod-nf-reject6",
        "kmod-ppp",
        "kmod-pppoe",
        "kmod-pppox",
        "kmod-slhc",
        "libblobmsg-json",
        "libc",
        "libcurl",
        "libip4tc",
        "libip6tc",
        "libiwinfo",
        "libiwinfo-data",
        "libiwinfo-lua",
        "libjson-c",
        "libjson-script",
        "liblua",
        "liblucihttp",
        "liblucihttp-lua",
        "libmbedtls",
        "libnl-tiny",
        "libubox",
        "libubus",
        "libubus-lua",
        "libuci",
        "libuclient",
        "libustream-wolfssl",
        "libxtables",
        "logd",
        "lua",
        "luci",
        "luci-app-attendedsysupgrade",
        "luci-app-firewall",
        "luci-app-opkg",
        "luci-app-wireguard",
        "luci-app-wol",
        "luci-base",
        "luci-compat",
        "luci-i18n-wireguard-en",
        "luci-lib-base",
        "luci-lib-ip",
        "luci-lib-ipkg",
        "luci-lib-jsonc",
        "luci-lib-nixio",
        "luci-mod-admin-full",
        "luci-mod-network",
        "luci-mod-status",
        "luci-mod-system",
        "luci-proto-ipv6",
        "luci-proto-ppp",
        "luci-proto-wireguard",
        "luci-ssl",
        "luci-theme-argon-master",
        "luci-theme-bootstrap",
        "luci-theme-openwrt-2020",
        "mtd",
        "mwlwifi-firmware-88w8864",
        "netifd",
        "odhcp6c",
        "odhcpd-ipv6only",
        "openwrt-keyring",
        "opkg",
        "ppp",
        "ppp-mod-pppoe",
        "procd",
        "px5g-wolfssl",
        "qrencode",
        "rpcd",
        "rpcd-mod-file",
        "rpcd-mod-iwinfo",
        "rpcd-mod-luci",
        "rpcd-mod-rpcsys",
        "rpcd-mod-rrdns",
        "tailscale",
        "ubi-utils",
        "uboot-envtools",
        "ubox",
        "ubus",
        "ubusd",
        "uci",
        "uclient-fetch",
        "uhttpd",
        "uhttpd-mod-ubus",
        "urandom-seed",
        "urngd",
        "usign",
        "wireless-regdb",
        "wpad-basic-wolfssl",
        "zerotier"
    ],
    "diff_packages": true,
    "filesystem": "squashfs",
    "client": "luci/git-23.093.42303-58b861d"
}

Start by reproducing the reported request against the sysupgrade.openwrt.org endpoint using the supplied profile, target, branch, and version values. The issue names no source file or test; trace how unsupported profiles are handled and determine whether the reported profile should be accepted, then add or update coverage for the observed behavior.