error: could not determine cachedir mount point /var/cache/pacman/pkg

error message

[root@n-ThinkPad-T420 /]# pacman -S base


:: There are 49 members in group base:
:: Repository core
   1) bash  2) bzip2  3) coreutils  4) cryptsetup  5) device-mapper  6) dhcpcd  7) diffutils  8) e2fsprogs  9) file  10) filesystem  11) findutils
   12) gawk  13) gcc-libs  14) gettext  15) glibc  16) grep  17) gzip  18) inetutils  19) iproute2  20) iputils  21) jfsutils  22) less  23) licenses
   24) linux  25) logrotate  26) lvm2  27) man-db  28) man-pages  29) mdadm  30) nano  31) netctl  32) pacman  33) pciutils  34) perl  35) procps-ng
   36) psmisc  37) reiserfsprogs  38) s-nail  39) sed  40) shadow  41) sysfsutils  42) systemd-sysvcompat  43) tar  44) texinfo  45) usbutils
   46) util-linux  47) vi  48) which  49) xfsprogs

Enter a selection (default=all): 
warning: bash-4.4.023-1 is up to date -- reinstalling
warning: bzip2-1.0.6-7 is up to date -- reinstalling
warning: coreutils-8.29-1 is up to date -- reinstalling
warning: cryptsetup-2.0.3-2 is up to date -- reinstalling
warning: filesystem-2018.1-2 is up to date -- reinstalling
warning: findutils-4.6.0-2 is up to date -- reinstalling
warning: gcc-libs-8.1.1+20180531-1 is up to date -- reinstalling
warning: glibc-2.27-3 is up to date -- reinstalling
warning: pacman-5.1.0-2 is up to date -- reinstalling
warning: shadow-4.5-4 is up to date -- reinstalling
warning: util-linux-2.32-3 is up to date -- reinstalling
resolving dependencies...
looking for conflicting packages...

Packages (58) groff-1.22.3-7  libaio-0.3.111-1  libpipeline-1.5.0-1  linux-firmware-20180606.d114732-1  mkinitcpio-24-2  mkinitcpio-busybox-1.28.4-1
              mpfr-4.0.1-1  openresolv-3.9.0-1  thin-provisioning-tools-0.7.6-1  bash-4.4.023-1  bzip2-1.0.6-7  coreutils-8.29-1  cryptsetup-2.0.3-2
              device-mapper-2.02.179-1  dhcpcd-7.0.5b-1  diffutils-3.6-1  e2fsprogs-1.44.3-1  file-5.33-3  filesystem-2018.1-2  findutils-4.6.0-2
              gawk-4.2.1-1  gcc-libs-8.1.1+20180531-1  gettext-0.19.8.1-2  glibc-2.27-3  grep-3.1-1  gzip-1.9-1  inetutils-1.9.4-5  iproute2-4.17.0-1
              iputils-20161105.1f2bb12-2  jfsutils-1.1.15-5  less-530-1  licenses-20171006-1  linux-4.17.6-1  logrotate-3.14.0-1  lvm2-2.02.179-1
              man-db-2.8.3-2  man-pages-4.16-1  mdadm-4.0-1  nano-2.9.8-1  netctl-1.17-1  pacman-5.1.0-2  pciutils-3.6.1-1  perl-5.26.2-2
              procps-ng-3.3.15-1  psmisc-23.1-1  reiserfsprogs-3.6.27-1  s-nail-14.9.10-1  sed-4.5-1  shadow-4.5-4  sysfsutils-2.1.0-10
              systemd-sysvcompat-239.0-2  tar-1.30-1  texinfo-6.5-1  usbutils-010-1  util-linux-2.32-3  vi-1:070224-3  which-2.21-2
              xfsprogs-4.17.0-1

Total Download Size:   212.93 MiB
Total Installed Size:  723.39 MiB
Net Upgrade Size:      477.02 MiB

:: Proceed with installation? [Y/n] y
error: could not determine cachedir mount point /var/cache/pacman/pkg
error: failed to commit transaction (not enough free disk space)
Errors occurred, no packages were upgraded.

Awesome, thank you!

(BTW, you can also use pacman --needed so you don't reinstall anything, and uncomment the Color line in /etc/pacman.conf to get colored output. Just thought to let you know :) )

I FOUND!!! Just comment CheckSpace in /etc/pacman.conf

Fixed mine! thanks

Thank you so much!

@Allespro

I FOUND!!! Just comment CheckSpace in /etc/pacman.conf

Thank you!

Perfect, Tks @Allespro