pkgver failure

==> Retrieving sources...
  -> Downloading Linphone-${pkgver}.AppImage...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   264  100   264    0     0    278      0 --:--:-- --:--:-- --:--:--   278
  0   196    0     0    0     0      0      0 --:--:--  0:00:01 --:--:--     0
curl: (22) The requested URL returned error: 404
==> ERROR: Failure while downloading https://www.linphone.org/releases/linux/app/Linphone-${pkgver}.AppImage
    Aborting...
 -> error making: linphone-desktop-appimage-stable-exit status 1
 -> Failed to install the following packages. Manual intervention is required:
linphone-desktop-appimage-stable - exit status 1