10debug.js:41 Exception in queued task: TypeError: Cannot read property 'name' of undefined

Has anyone gotten the exception below? This exception is thrown when I navigate away from the view with webix components (…datatable). It displays the view properly with expected data.

This is a Meteor integration…

debug.js:41 Exception in queued task: TypeError: Cannot read property 'name' of undefined
    at Object.webix.DataProcessor.webix.proto.master_setter (http://localhost:3000/packages/webix_webix.js?e128e5cf11363acc0a25178c1bf2fd39560b985d:27216:12)
    at Object.webix.Settings._define (http://localhost:3000/packages/webix_webix.js?e128e5cf11363acc0a25178c1bf2fd39560b985d:2109:50)
    at Object.webix.Settings._parseSeetingColl (http://localhost:3000/packages/webix_webix.js?e128e5cf11363acc0a25178c1bf2fd39560b985d:2115:10)
    at Object.webix.Settings._parseSettings (http://localhost:3000/packages/webix_webix.js?
...

any idea - anyone? I am currently stalled – any guidance would be helpful… tried to debug this, but no luck.