$ tradleconf update -c
TypeError: Cannot read property 'tag' of undefined
at Updater.<anonymous> (@tradle/conf/src/update.ts:172:36)
at Generator.next (<anonymous>)
at fulfilled (@tradle/conf/node_modules/tslib/tslib.js:112:62)
at processTicksAndRejections (internal/process/task_queues.js:95:5)