Read the following website: https://github.com/vector-im/element-web/issues/16174
It suggests to install libappindicator from Debian stretch using dpkg -i package name.deb. Hope it helps. Cheers Adrian On Sun., Mar. 7, 2021, 6:37 a.m. Peter Pentchev, <r...@ringlet.net> wrote: > On Sun, Mar 07, 2021 at 03:12:23PM +0800, 大将军王 wrote: > > Hello, > > > > i installed yesplaymusic package that was from github on my debian > > 11, and i got an error: Can't find the package libappindicator3-1. > > > > > > I've checked the package from packages.debian.org, yes it is in buster, > > BUT, i can't find it in bullseye. > > Hi, > > Without looking into it, it sounds like you installed an already-built > binary package that was built for an earlier version of Debian. Well, > with time the Debian packages change, some are renamed, some get newer > versions. > > You should either contact the authors and ask them to rebuild > the package for Debian testing/unstable, or try to build it yourself > from source, so that it picks up the necessary dependencies and > libraries. > > Hope that helps! > > G'luck, > Peter > > -- > Peter Pentchev r...@ringlet.net r...@debian.org p...@storpool.com > PGP key: http://people.FreeBSD.org/~roam/roam.key.asc > Key fingerprint 2EE7 A7A5 17FC 124C F115 C354 651E EFB0 2527 DF13 >