Two errors - tail cache can't remove & system version not found.

[fxfactorial]

On a thelio-mira-r1-0, I get:

 system76-firmware-cli thelio-io
system76-firmware: failed to download: failed to remove thelio I/O tail cache

and also

system76-firmware-cli schedule
Automatic transition: none -> none
downloading tail
opening download cache
downloading manifest.json
downloading system76-firmware-update.tar.xz
downloading System Version_140bedbf9c3f6d56a9846d2ba7088798683f4da0c248231336e6a05679e4fdfe.tar.xz
downloading tail
opening download cache
downloading manifest.json
downloading system76-firmware-update.tar.xz
downloading System Version_140bedbf9c3f6d56a9846d2ba7088798683f4da0c248231336e6a05679e4fdfe.tar.xz
downloading tail
opening download cache
downloading manifest.json
downloading system76-firmware-update.tar.xz
downloading System Version_140bedbf9c3f6d56a9846d2ba7088798683f4da0c248231336e6a05679e4fdfe.tar.xz
downloading tail
opening download cache
downloading manifest.json
downloading system76-firmware-update.tar.xz
downloading System Version_140bedbf9c3f6d56a9846d2ba7088798683f4da0c248231336e6a05679e4fdfe.tar.xz
system76-firmware: failed to download: System Version_140bedbf9c3f6d56a9846d2ba7088798683f4da0c248231336e6a05679e4fdfe.tar.xz not found

it makes no sense to me why