Error message during archlinux install script

[pomarec]

It spits out an error message but does not seem to have any impact:

.....
>> Initializing configurations...
[INFO   ] ctl:init:redis: Copying files
[INFO   ] ctl:init:redis: Setting admin password
[SUCCESS] ctl:init:redis: Complete
(89/90) installing arkos-genesis                                                                           [################################################################] 100%
(90/90) installing patch                                                                                   [################################################################] 100%
Optional dependencies for patch
    ed: for patch -e functionality
:: Running post-transaction hooks...
(1/2) Updating system user accounts...
(2/2) Creating temporary files...
resolving dependencies...
looking for conflicting packages...

Packages (1) arkos-keyring-20150321-1

Total Download Size:   0.00 MiB
Total Installed Size:  0.02 MiB

:: Proceed with installation? [Y/n] ==> ERROR: The keyring file /usr/share/pacman/keyrings/arkos.gpg does not exist.
[INFO   ] ctl:init:ldap: Cleaning up old LDAP database
[INFO   ] ctl:init:ldap: Installing initial configuration
[INFO   ] ctl:init:ldap: Setting admin password
[INFO   ] ctl:init:ldap: Generating new LDAP database
[SUCCESS] ctl:init:ldap: Complete
[INFO   ] ctl:init:nslcd: Patching system files
[SUCCESS] ctl:init:nslcd: Complete
[INFO   ] ctl:init:nginx: Copying files
[SUCCESS] ctl:init:nginx: Completed
.....