Unable to sign up for openhardware.io using Google Account

[Suresh Mali]

Unable to sign up for openhardware.io using Google Account. Below error:

Connect
500 ValidationError: User validation failed

   at MongooseError.ValidationError (/home/oh/openhardware/node_modules/mongoose/lib/error/validation.js:23:11)
   at model.Document.invalidate (/home/oh/openhardware/node_modules/mongoose/lib/document.js:1283:32)
   at /home/oh/openhardware/node_modules/mongoose/lib/document.js:1158:16
   at validate (/home/oh/openhardware/node_modules/mongoose/lib/schematype.js:662:7)
   at /home/oh/openhardware/node_modules/mongoose/lib/schematype.js:693:9
   at Array.forEach (native)
   at SchemaNumber.SchemaType.doValidate (/home/oh/openhardware/node_modules/mongoose/lib/schematype.js:667:19)
   at /home/oh/openhardware/node_modules/mongoose/lib/document.js:1156:9
   at nextTickCallbackWith0Args (node.js:433:9)
   at process._tickCallback (node.js:362:13)