[ERROR] app - Create app error

[BrianO_keefe]

[2016-06-29 14:24:54.788] [ERROR] app - Create app error: { [OperationalError: duplicate key error index]
  cause: { [Error: duplicate key error index] errmsg: 'Error: duplicate key error index' } }
Error: duplicate key error index
    at tindex.set (C:\Users\username\Desktop\WAB\v2.0\server\node_modules\tingodb\lib\tindex.js:31:10)
    at C:\Users\username\Desktop\WAB\v2.0\server\node_modules\tingodb\lib\tcoll.js:554:8
    at C:\Users\username\Desktop\WAB\v2.0\server\node_modules\tingodb\node_modules\lodash\index.js:3073:15
    at baseForOwn (C:\Users\username\Desktop\WAB\v2.0\server\node_modules\tingodb\node_modules\lodash\index.js:2046:14)
    at C:\Users\username\Desktop\WAB\v2.0\server\node_modules\tingodb\node_modules\lodash\index.js:3043:18
    at Function.<anonymous> (C:\Users\username\Desktop\WAB\v2.0\server\node_modules\tingodb\node_modules\lodash\index.js:3346:13)
    at C:\Users\username\Desktop\WAB\v2.0\server\node_modules\tingodb\lib\tcoll.js:553:7
    at wqueue._exec (C:\Users\username\Desktop\WAB\v2.0\server\node_modules\tingodb\lib\wqueue.js:36:3)
    at C:\Users\username\Desktop\WAB\v2.0\server\node_modules\tingodb\lib\wqueue.js:54:10
    at process._tickCallback (node.js:419:13)

Has anyone else encountered this error while trying to create a new map?

[JunshanLiu · Accepted solution]

This is the same error: Web AppBuilder Developer Edition - Can't create new Apps , there is a temporary workaround: https://community.esri.com/thread/166480#comment-612496

This issue will be fixed in next release.