Problem with permissions

Hi, the cleanupdate package that takes care of cleaning and updating the system gives me an error telling me:

Estimating space occupied by older caches and thumbnails... /home/eduardolp3/.script/cleanupdate: line 818: bc: command not found 

The script terminated unexpectedly. Some error messages can be read again in the '/tmp/cleanupdate.log' file until the next reboot. 

I am attaching the log. Where PERMESSO NEGATO is written, it reads PERMISSION DENIED

Tue, 21 Mar 2023 16:05:10 +0100 --- Cleanupdate errors log


Start sys_update()


Start orph_pkgs()


Start clean_pkg()


Start orph_pkgs()

find: ‘/etc/credstore’: Permesso negato
find: ‘/etc/audit/plugins.d’: Permesso negato
find: ‘/etc/NetworkManager/system-connections’: Permesso negato
find: ‘/etc/polkit-1/rules.d’: Permesso negato
find: ‘/etc/cups/ssl’: Permesso negato
find: ‘/etc/openvpn/server’: Permesso negato
find: ‘/etc/openvpn/client’: Permesso negato
find: ‘/etc/credstore.encrypted’: Permesso negato
find: ‘/etc/sudoers.d’: Permesso negato
find: ‘/etc/pacman.d/gnupg/crls.d’: Permesso negato
find: ‘/etc/pacman.d/gnupg/openpgp-revocs.d’: Permesso negato
find: ‘/etc/pacman.d/gnupg/private-keys-v1.d’: Permesso negato

Start clean_file()

find: ‘/var/log/audit’: Permesso negato
find: ‘/var/log/private’: Permesso negato

Tue, 21 Mar 2023 16:12:33 +0100 --- Cleanupdate errors log


Start sys_update()


Start orph_pkgs()


Start clean_pkg()


Start orph_pkgs()

find: ‘/etc/credstore’: Permesso negato
find: ‘/etc/audit/plugins.d’: Permesso negato
find: ‘/etc/NetworkManager/system-connections’: Permesso negato
find: ‘/etc/polkit-1/rules.d’: Permesso negato
find: ‘/etc/cups/ssl’: Permesso negato
find: ‘/etc/openvpn/server’: Permesso negato
find: ‘/etc/openvpn/client’: Permesso negato
find: ‘/etc/credstore.encrypted’: Permesso negato
find: ‘/etc/sudoers.d’: Permesso negato
find: ‘/etc/pacman.d/gnupg/crls.d’: Permesso negato
find: ‘/etc/pacman.d/gnupg/openpgp-revocs.d’: Permesso negato
find: ‘/etc/pacman.d/gnupg/private-keys-v1.d’: Permesso negato

Start clean_file()

find: ‘/var/log/audit’: Permesso negato
find: ‘/var/log/private’: Permesso negato

Tue, 21 Mar 2023 16:21:08 +0100 --- Cleanupdate errors log


Start sys_update()


Start orph_pkgs()


Start clean_pkg()


Start orph_pkgs()

find: ‘/etc/credstore’: Permesso negato
find: ‘/etc/audit/plugins.d’: Permesso negato
find: ‘/etc/NetworkManager/system-connections’: Permesso negato
find: ‘/etc/polkit-1/rules.d’: Permesso negato
find: ‘/etc/cups/ssl’: Permesso negato
find: ‘/etc/openvpn/server’: Permesso negato
find: ‘/etc/openvpn/client’: Permesso negato
find: ‘/etc/credstore.encrypted’: Permesso negato
find: ‘/etc/sudoers.d’: Permesso negato
find: ‘/etc/pacman.d/gnupg/crls.d’: Permesso negato
find: ‘/etc/pacman.d/gnupg/openpgp-revocs.d’: Permesso negato
find: ‘/etc/pacman.d/gnupg/private-keys-v1.d’: Permesso negato

Start clean_file()

find: ‘/var/log/audit’: Permesso negato
find: ‘/var/log/private’: Permesso negato

What can I do? Thank you