[deadnote]

permisi, saya mau tanya kenapa setelah saya reinstal SET waktu mau coba web metasploit method kenapa muncul error seperti ini ya?

/opt/metasploit/msf3/lib/fastlib.rb:368:in `require': no such file to load -- rubygems (LoadError)
from /opt/metasploit/msf3/lib/fastlib.rb:368:in `require'
from <internal:gem_prelude>:158:in `load_full_rubygems_library'
from <internal:gem_prelude>:270:in `const_missing'
from /opt/metasploit/msf3/lib/msf/sanity.rb:35:in `<top (required)>'
from /opt/metasploit/msf3/lib/fastlib.rb:368:in `require'
from /opt/metasploit/msf3/lib/fastlib.rb:368:in `require'
from /opt/metasploit/msf3/lib/msf/core.rb:13:in `<top (required)>'
from /opt/metasploit/msf3/lib/fastlib.rb:368:in `require'
from /opt/metasploit/msf3/lib/fastlib.rb:368:in `require'
from /opt/metasploit/msf3/lib/msf/ui/console/driver.rb:1:in `<top (required)>'
from /opt/metasploit/msf3/lib/fastlib.rb:368:in `require'
from /opt/metasploit/msf3/lib/fastlib.rb:368:in `require'
from /opt/metasploit/msf3/lib/msf/ui/console.rb:10:in `<top (required)>'
from /opt/metasploit/msf3/lib/fastlib.rb:368:in `require'
from /opt/metasploit/msf3/lib/fastlib.rb:368:in `require'
from /opt/metasploit/msf3/lib/msf/ui.rb:10:in `<top (required)>'
from /opt/metasploit/msf3/lib/fastlib.rb:368:in `require'
from /opt/metasploit/msf3/lib/fastlib.rb:368:in `require'
from /opt/metasploit/msf3//msfconsole:122:in `<main>'

ada yang bisa bantu?