Uncaught TypeError: Cannot read property 'get' of null on FFW.UI.OnSystemContext

[aderiabin]

Bug Report

Uncaught TypeError: Cannot read property 'get' of null on FFW.UI.OnSystemContext

Reproduction Steps

1. Start WebHMI
2. Click on VRButton button (Button for VR commands emulation)

Expected Behavior

No errors are observed

Observed Behavior

Error is observed in browser console:

 FFW.UI.OnSystemContext
 UIRPC.js:2029 Uncaught TypeError: Cannot read property 'get' of null
 at d.OnSystemContext (UIRPC.js:2029)
 at d.onSystemContextChange (Controller.js:1458)
 at d.onActivate (VRPopUp.js:246)
 at j (ember-1.0.pre.min.js:14)
 at Array.<anonymous> (ember-1.0.pre.min.js:14)
 at g.flush (ember-1.0.pre.min.js:14)
 at k (ember-1.0.pre.min.js:14)
 at Object.Ember.endPropertyChanges (ember-1.0.pre.min.js:14)
 at e.flush (ember-1.0.pre.min.js:14)
 at end (ember-1.0.pre.min.js:14)

OS & Version Information

• OS/Version: Ubuntu 18.04
• HMI: 6d32f1b

[aderiabin]

Please notice this is regression issue.

[iCollin]

@aderiabin @YarikMamykin can you confirm issue is still valid on develop? I think this may have been fixed by #403

[aderiabin]

The issue is not reproduced on current develop (2cfbe48)