has anyone encountered this error before? just trying to get things set up for the first time, everything was installed from scratch and latest versions.
brendan@xps:~/rcube/roundcube-shell$ export JMAP_HOST=http://127.0.0.1:8080 && STYLEGUIDE=true && ember server version: 1.13.12 BroccoliMergeTrees: Expected Broccoli node, got undefined for inputNodes[0] TypeError: BroccoliMergeTrees: Expected Broccoli node, got undefined for inputNodes[0] at BroccoliMergeTrees.Plugin (/home/brendan/rcube/roundcube-shell/node_modules/broccoli-plugin/index.js:23:13) at new BroccoliMergeTrees (/home/brendan/rcube/roundcube-shell/node_modules/broccoli-merge-trees/index.js:29:10) at BroccoliMergeTrees (/home/brendan/rcube/roundcube-shell/node_modules/broccoli-merge-trees/index.js:23:53) at Class.module.exports.treeForVendor (/home/brendan/rcube/roundcube-shell/node_modules/roundcube-mail/index.js:28:12) at Class._treeFor (/home/brendan/rcube/roundcube-shell/node_modules/ember-cli/lib/models/addon.js:319:31) at Class.treeFor (/home/brendan/rcube/roundcube-shell/node_modules/ember-cli/lib/models/addon.js:289:19) at /home/brendan/rcube/roundcube-shell/node_modules/ember-cli/lib/broccoli/ember-app.js:369:20 at Array.map (native) at EmberApp.addonTreesFor (/home/brendan/rcube/roundcube-shell/node_modules/ember-cli/lib/broccoli/ember-app.js:367:30) at EmberApp._processedVendorTree (/home/brendan/rcube/roundcube-shell/node_modules/ember-cli/lib/broccoli/ember-app.js:796:29)