why cannot use the search?

[qgh1223qgh]

When I use the keyword to search the paper, I met The requested resource was not found on this server.
What happened?

[rstojnic]

We disabled search temporarily because someone is running a bot making a huge number of searchers each second, at some point pulling the website down. We are looking to identify and block them, and once this is done will re-enable search. @alefnula