You need to open a Google webmaster account. You can do this by going to
www.google.com/webmasters/tools here you can follow the instructions to set the account up.
Take a very close look at the coding in your website and see if you have done any of the above, if you have then you will need to remove the offending code and make sure you never try it again. If you need help identifying what the problem might be then call us on 0161 928 6999 we will check your site over and advise you.
Now log back onto your Google webmaster tools account and choose webmaster tools.
You will now need to add an xml sitemap for your site and submit the xml sitemap using the panel.