The opkg install command failed with code 255

Thank you but i get this error after uploading

Errors
Collected errors:
 * opkg_download_pkg: Package liblucihttp-lua is not available from any configured src.
 * opkg_install_pkg: Failed to download liblucihttp-lua. Perhaps you need to run 'opkg update'?
 * opkg_install_cmd: Cannot install package luci-app-openvpn.
The opkg install command failed with code 255.

just "luci-proto-wireguard" installed.
should say that the openwrt internet speed is much slower than the modem itself. the web pages open slowly.
OK if you COMFIRM i will flash with sysupgrade and will see the result. thank you.

Integrate all packages you plan to install in a sysupgrade image. If your provider blocks you openwrt is not the muscle you need.