The easiest place to start is with the GitHub issue tracker. Your issue may have already been solved on a newer version, or someone may have experienced a similar issue!
A few ENiGMA SysOps hangout on IRC: #enigma-bbs on chat.freenode.net. If you don’t have an IRC client, you can also access this via the freenode web interface.
Alternatively, there is a lot of active BBS discussion on fsxNet, which is available on many popular boards.