et-webbrowser plugin is not available from any configured src

Hi,

when trying to upgrade my OpenPLi 4 on my xTrend 9500 I get the following error. Where is the correct source for webbrowser plugin? I surely do opkg update before any opkg upgrade

root@et9x00:~# opkg update
Downloading http://downloads.pli-images.org/feeds/openpli-4/3rd-party-et9x00/Packages.gz.
Inflating http://downloads.pli-images.org/feeds/openpli-4/3rd-party-et9x00/Packages.gz.
Updated list of available packages in /var/lib/opkg/openpli-3rd-party-et9x00.
Downloading http://downloads.pli-images.org/feeds/openpli-4/3rd-party/Packages.gz.
Inflating http://downloads.pli-images.org/feeds/openpli-4/3rd-party/Packages.gz.
Updated list of available packages in /var/lib/opkg/openpli-3rd-party.
Downloading http://downloads.pli-images.org/feeds/openpli-4/all/Packages.gz.
Inflating http://downloads.pli-images.org/feeds/openpli-4/all/Packages.gz.
Updated list of available packages in /var/lib/opkg/openpli-all.
Downloading http://downloads.pli-images.org/feeds/openpli-4/et9x00/Packages.gz.
Inflating http://downloads.pli-images.org/feeds/openpli-4/et9x00/Packages.gz.
Updated list of available packages in /var/lib/opkg/openpli-et9x00.
Downloading http://downloads.pli-images.org/feeds/openpli-4/mips32el/Packages.gz.
Inflating http://downloads.pli-images.org/feeds/openpli-4/mips32el/Packages.gz.
Updated list of available packages in /var/lib/opkg/openpli-mips32el.

then after upgrade I finally get this message:

Collected errors:
 * opkg_download_pkg: Package enigma2-plugin-extensions-et-webbrowser is not available from any configured src.
 * opkg_install_pkg: Failed to download enigma2-plugin-extensions-et-webbrowser. Perhaps you need to run 'opkg update'?
 

This issue appeared right after I upgraded from OpenPLi 3 to 4.