D4Science Infrastructure

Please could you provide the VRE you are using?

I've tried to reset your user's state but nothing change. I see a strange error on system logs, I'm going to investigate:

Nov 27 14:48:33 rstudio2 rserver[4071]: message repeated 19 times: [ ERROR system error 13 (Permission denied) [request-uri=/mathjax/MathJax.js?config=TeX-MML-AM_CHTML]; OCCURRED AT: void rstudio::server::session_proxy::{anonymous}::proxyRequest(const rstudio::core::r_util::SessionContext&, boost::shared_ptr<rstudio::core::http::AsyncConnection>, const ErrorHandler&, const rstudio::core::http::ConnectionRetryProfile&) /home/ubuntu/rstudio/src/cpp/server/ServerSessionProxy.cpp:576; CAUSED BY: ERROR system error 13 (Permission denied) [user-value=massimiliano.assante]; OCCURRED AT: rstudio::core::Error rstudio::core::system::user::{anonymous}::userFrom(const boost::function<int(T, passwd*, char*, long unsigned int, passwd**)>&, T, rstudio::core::system::user::User*) [with T = const char*] /home/ubuntu/rstudio/src/cpp/core/system/PosixUser.cpp:107; LOGGED FRO]
Nov 27 14:53:38 rstudio2 rserver[4071]: ERROR system error 13 (Permission denied) [user-value=sgiorgis]; OCCURRED AT: rstudio::core::Error rstudio::core::system::user::{anonymous}::userFrom(const boost::function<int(T, passwd*, char*, long unsigned int, passwd**)>&, T, rstudio::core::system::user::User*) [with T = const char*] /home/ubuntu/rstudio/src/cpp/core/system/PosixUser.cpp:107; LOGGED FROM: std::string rstudio::server::pam_auth::{anonymous}::userIdentifierToLocalUsername(const string&) /home/ubuntu/rstudio/src/cpp/server/ServerPAMAuth.cpp:175
Nov 27 14:53:38 rstudio2 rserver[4071]: ERROR system error 13 (Permission denied) [request-uri=/mathjax/MathJax.js?config=TeX-MML-AM_CHTML]; OCCURRED AT: void rstudio::server::session_proxy::{anonymous}::proxyRequest(const rstudio::core::r_util::SessionContext&, boost::shared_ptr<rstudio::core::http::AsyncConnection>, const ErrorHandler&, const rstudio::core::http::ConnectionRetryProfile&) /home/ubuntu/rstudio/src/cpp/server/ServerSessionProxy.cpp:576; CAUSED BY: ERROR system error 13 (Permission denied) [user-value=sgiorgis]; OCCURRED AT: rstudio::core::Error rstudio::core::system::user::{anonymous}::userFrom(const boost::function<int(T, passwd*, char*, long unsigned int, passwd**)>&, T, rstudio::core::system::user::User*) [with T = const char*] /home/ubuntu/rstudio/src/cpp/core/system/PosixUser.cpp:107; LOGGED FROM: void rstudio::server::session_proxy::{anonymous}::logIfNotConnectionTerminated(const rstudio::core::Error&, const rstudio::core::http::Request&) /home/ubuntu/rstudio/src/cpp/server/ServerSessionProxy.cpp:369