Msfconsole Error After Msfupdate

i couldn't run msfconsole after msfupdate. it give's me a error:

"Could not find i18n-0.7.0 in any of the sources"

"Run `bundle install` to install missing gems."

when i run 'bundle install', i got another error:

"Could not locate Gemfile or .bundle/ directory"

how to resolve this?