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/a6add9a72767f05f5eced7c2fa193fe7f88a30de/misc/pbs3-upgrade.sh
You should set ROOT_URL correctly, otherwise the web may not work correctly.
CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PBS 2 BACKUP" --menu "\nMake a backup of /etc/proxmox-backup to ensure that in the worst case, any relevant configuration can be recovered?"14582\
CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PBS 3 SOURCES" --menu "This will set the correct sources to update and install Proxmox Backup Server 3.\n \nChange to Proxmox Backup Server 3 sources?"14582\
CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PBS3-ENTERPRISE" --menu "The 'pbs-enterprise' repository is only available to users who have purchased a Proxmox VE subscription.\n \nDisable 'pbs-enterprise' repository?"14582\
CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PBS3-NO-SUBSCRIPTION" --menu "The 'pbs-no-subscription' repository provides access to all of the open-source components of Proxmox Backup Server.\n \nEnable 'pbs-no-subscription' repository?"14582\
CHOICE=$(whiptail --backtitle "Proxmox VE Helper Scripts" --title "PBS3 TEST" --menu "The 'pbstest' repository can give advanced users access to new features and updates before they are officially released.\n \nAdd (Disabled) 'pbstest' repository?"14582\