E: Splitting of clearsigned file [...] failed as it doesn't contain all expected parts
Multiple users have reported to Help Desk that they receive the following error when using the Additional Software feature:
E: Splitting of clearsigned file /var/lib/apt/lists/cdn-fastly.deb.debian.org_debian_dists_buster_InRelease failed as it doesn't contain all expected parts E: The package lists or status file could not be parsed or opened. E: _cache->open() failed, please report.
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information