Here is the output of sudo pacman -S aduacious
It happens with rpm-tools too.
looking for conflicting packages...
Packages (4) audacious-plugins-4.1-4 libcue-2.2.1-2 libguess-1.2-3 audacious-4.1-3
Total Download Size: 0,01 MiB
Total Installed Size: 8,47 MiB
:: Proceed with installation? [Y/n] y
:: Retrieving packages...
libguess-1.2-3-x86_64.pkg.tar.zst failed to download
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.re : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.erickochen.nl : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.fossho.st : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.mirrors.uk2.net : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from quantum-mirror.hu : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from fastmirror.pp.ua : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.kyberorg.fi : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.datacenter.by : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.init7.net : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.alpix.eu : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from repo.skni.umcs.pl : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.telecoms.bg : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ftp.linux.org.tr : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.dotsrc.org : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.telepoint.bg : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.netcologne.de : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.moson.org : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.mirrors.lavatech.top : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.23media.com : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from www.mirrorservice.org : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.futureweb.be : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.ipacct.com : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.osmir.ch : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.terrahost.no : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.lucassymons.net : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.manjaro.org : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.atysleaks.org : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.mirror.garr.it : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from repos.silknet.com : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.koddos.net : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.dkm.cz : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.yandex.ru : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ftp.halifax.rwth-aachen.de : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.gethosted.online : Connection timeout after 10000 ms
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.gigenet.com : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.truenetwork.ru : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.math.princeton.edu : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.zetup.net : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.aliyun.com : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ct.mirror.garr.it : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.mirror.liquidtelecom.com : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.easyname.at : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ftp.gwdg.de : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ba.mirror.garr.it : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ftp.nluug.nl : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ftp.snt.utwente.nl : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from repo.ialab.dsu.edu : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ftp.vectranet.pl : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.is.co.za : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ftp.caliu.cat : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.xeonbd.com : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from osmirror.org : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ftp.free.org : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.dcc.uchile.cl : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.deace.id : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.sonic.net : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.moson.eu : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ftp.lysator.liu.se : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.csclub.uwaterloo.ca : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.huaweicloud.com : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from download.nus.edu.sg : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.mirrors.theom.nz : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.d-tl.com : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.0xem.ma : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.repo.cure.edu.uy : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror1.cl.netactuate.com : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.pku.edu.cn : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.ufro.cl : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from manjaro.c3sl.ufpr.br : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.clarkson.edu : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.aarnet.edu.au : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ftp.cuhk.edu.hk : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.sjtug.sjtu.edu.cn : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirror.kku.ac.th : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.ocf.berkeley.edu : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.tuna.tsinghua.edu.cn : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from mirrors.tuna.tsinghua.edu.cn : The requested URL returned error: 404
error: failed retrieving file 'libguess-1.2-3-x86_64.pkg.tar.zst' from ftp.tsukuba.wide.ad.jp : The requested URL returned error: 404
warning: failed to retrieve some files
error: failed to commit transaction (failed to retrieve some files)
Errors occurred, no packages were upgraded.