[den1993$]

kalo saya kuy gini om.. msfconsole lalu keluar kyk gni :
/opt/metasploit/msf3/lib/fastlib.rb:371:in `require': no such file to load -- active_support/concern (LoadError)
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/msf/core/module_manager/cache.rb:4:in `<top (required)>'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/msf/core/module_manager.rb:23:in `<class:ModuleManager>'
from /opt/metasploit/msf3/lib/msf/core/module_manager.rb:19:in `<module:Msf>'
from /opt/metasploit/msf3/lib/msf/core/module_manager.rb:14:in `<top (required)>'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/msf/core/framework.rb:66:in `<class:Framework>'
from /opt/metasploit/msf3/lib/msf/core/framework.rb:13:in `<module:Msf>'
from /opt/metasploit/msf3/lib/msf/core/framework.rb:5:in `<top (required)>'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/msf/core.rb:34:in `<top (required)>'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/msf/ui/console/driver.rb:2:in `<top (required)>'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/msf/ui/console.rb:11:in `<top (required)>'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/msf/ui.rb:11:in `<top (required)>'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/lib/fastlib.rb:371:in `require'
from /opt/metasploit/msf3/msfconsole:122:in `<main>'