Failed to register package for vnd.sun.star.expand:$UNO_USER_PACKAGES_CACHE/uno_packages/lu21750av1h1p.tmp_/codehighlighter.oxt/python

[Villelmo]

I install the package but i get the following error. Restart libreoffice but the extension is disable.

[eik-dahms]

I have the same issue on Ubuntu. I also tried to run impress as sudo and got the same error.

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Edit

after some googeling I found the solution:
https://stackoverflow.com/questions/61638794/failed-to-register-package-for-vnd-sun-star-expanduno-user-packages-cache-uno

It seems to be quite important to rename the downloaded file to the extension name only.
e.g. <xyz_>codehighlighter.oxt -> codehighlighter.oxt

Maybe I overread a hint to that in the installation guide or on the extension page. If not @slgobinath , maybe one could add a hint fo this problem for ubuntu(linux?) users?