Your ROOT_URL in app.ini is https://git.bwnetwork.us/ but you are visiting http://git.bwnetwork.us/Administrator/Proxmox_Helper_scripts/blame/commit/eb6fd78fa6d8711496a958bf83f2bd7d958f222f/install/wireguard-install.sh
You should set ROOT_URL correctly, otherwise the web may not work correctly.
#!/usr/bin/env bash
# Copyright (c) 2021-2023 tteck
# Author: tteck (tteckster)
# License: MIT
# https://github.com/tteck/Proxmox/raw/main/LICENSE
source /dev/stdin <<< " $FUNCTIONS_FILE_PATH "
color
verb_ip6
catch_errors
setting_up_container
network_check
update_os
msg_info "Installing Dependencies"
$STD apt-get install -y curl
$STD apt-get install -y sudo
$STD apt-get install -y mc
$STD apt-get install -y gunicorn
msg_ok "Installed Dependencies"
msg_info "Installing WireGuard (using pivpn.io)"
OPTIONS_PATH = '/options.conf'
cat >$OPTIONS_PATH <<'EOF'
IPv4dev = eth0
install_user = root
VPN = wireguard
pivpnNET = 10.6.0.0
subnetClass = 24
ALLOWED_IPS = "0.0.0.0/0, ::0/0"
pivpnMTU = 1420
pivpnPORT = 51820
pivpnDNS1 = 1.1.1.1
pivpnDNS2 = 8.8.8.8
pivpnHOST =
pivpnPERSISTENTKEEPALIVE = 25
UNATTUPG = 1
EOF
$STD bash <( curl -fsSL https://install.pivpn.io) --unattended options.conf
msg_ok "Installed WireGuard"
motd_ssh
customize
msg_info "Cleaning up"
$STD apt-get autoremove
$STD apt-get autoclean
msg_ok "Cleaned"