Could not access /etc/salt/pki/minion. Try running as user r

salt-call pkg.install vim -l debug
[DEBUG   ] Reading configuration from /etc/salt/minion
[INFO    ] Using cached minion ID: paris
[DEBUG   ] loading log_handlers in ['/var/cache/salt/minion/extmods/log_handlers', '/usr/lib/pymodules/python2.7/salt/log/handlers']
[DEBUG   ] Skipping /var/cache/salt/minion/extmods/log_handlers, it is not a directory
[DEBUG   ] None of the required configuration sections, 'logstash_udp_handler' and 'logstash_zmq_handler', were found the in the configuration. Not loading the Logstash logging handlers module.
[DEBUG   ] Configuration file path: /etc/salt/minion
[WARNING ] Failed to open log file, do you have permission to write to /var/log/salt/minion?
[DEBUG   ] Reading configuration from /etc/salt/minion
[DEBUG   ] loading grain in ['/var/cache/salt/minion/extmods/grains', '/usr/lib/pymodules/python2.7/salt/grains']
[DEBUG   ] Skipping /var/cache/salt/minion/extmods/grains, it is not a directory
[WARNING ] Although 'dmidecode' was found in path, the current user cannot execute it. Grains output might not be accurate.
Could not access /etc/salt/pki/minion. Try running as user root.