Net-edition, test iso kalıbı kurulumu sırasında yada güncellemelerde şöyle bir hata alabilirsiniz;

error: GPGME error: No data
error: GPGME error: No data
error: GPGME error: No data
error: GPGME error: No data
error: GPGME error: No data
:: Synchronizing package databases...
 basis is up to date
 platform is up to date
 addon is up to date        0.0   B  0.00B/s 00:00 [----------------------]   0%
 extra is up to date        0.0   B  0.00B/s 00:00 [----------------------]   0%
 community is up to date    0.0   B  0.00B/s 00:00 [----------------------]   0%
 basis-multilib is up to date.0   B  0.00B/s 00:00 [----------------------]   0%
 multilib is up to date     0.0   B  0.00B/s 00:00 [----------------------]   0%
error: database 'addon' is not valid (invalid or corrupted database (PGP signature))
error: database 'extra' is not valid (invalid or corrupted database (PGP signature))
error: database 'community' is not valid (invalid or corrupted database (PGP signature))
error: database 'basis-multilib' is not valid (invalid or corrupted database (PGP signature))
error: database 'multilib' is not valid (invalid or corrupted database (PGP signature))

Paket imzaları konusundaki bu hataları alırsanız aşağıdaki komutları uygulayınız.

sudo pacman-key --refresh-keys
sudo pacman-key --populate
sudo pacman -Scc
sudo pacman -Syy

Kaynak : http://forum.manjaro.org/index.php?topic=1157.msg7793#msg7793

http://wiki.manjaro.org/index.php/Pacman_troubleshooting#.22GPGME_error:_No_data.22_Error