ENhanced Scala Interaction Mode for Emacs.
See our Quick Start Guide to learn how to install and start ENSIME for Emacs.
Report issues after checking the ENSIME Emacs FAQs and the ENSIME Server FAQs. Please ensure that you're using the latest version of ensime from MELPA and have run M-x ensime-update. Stacktraces are useful: enable (setq debug-on-error t) and re-attempt what you were doing.
If in doubt or you would like to contribute, ask on the 