Metasploit nokogiri error

i have tried to run the command in the error and also tried to _bundle install_, neither worked, can u help please and thanks in advance.![image](https://user-images.githubusercontent.com/67151579/85131069-274cfb00-b247-11ea-9bd1-da5d5cb3dda8.png)![image](https://user-images.githubusercontent.com/67151579/85131095-359b1700-b247-11ea-89d4-cfa59afb470e.png)