Notifier worker bug

[masscube]

Found bug when i check "use worker" to on:

826bb2e0-dfae-4db6-8b67-7cca125d5a6a:8 Uncaught (in promise) TypeError: Cannot read property 'show' of undefined
at NotifierInstance.notifier (826bb2e0-dfae-4db6-8b67-7cca125d5a6a:8)
at C3.Action._RunSingleGlobal (action.js:1)
at C3.EventBlock._RunActions_Fast (eventBlock.js:1)
at C3.EventBlock._RunAndBlock (eventBlock.js:1)
at C3.EventBlock.Run (eventBlock.js:1)
at C3.EventSheet._ExecuteTrigger (eventSheet.js:1)
at C3.EventSheet._TriggerForObjectClass (eventSheet.js:1)
at C3.EventSheet._Trigger (eventSheet.js:1)
at C3.EventSheetManager._Trigger (eventSheetManager.js:1)
at C3.Runtime.Trigger (runtime.js:1)
notifier @ 826bb2e0-dfae-4db6-8b67-7cca125d5a6a:8
_RunSingleGlobal @ action.js:1
_RunActions_Fast @ eventBlock.js:1
_RunAndBlock @ eventBlock.js:1
Run @ eventBlock.js:1
_ExecuteTrigger @ eventSheet.js:1
_TriggerForObjectClass @ eventSheet.js:1
_Trigger @ eventSheet.js:1
_Trigger @ eventSheetManager.js:1
Trigger @ runtime.js:1
TriggerAsync @ runtime.js:1
_StartRunning @ layout.js:1
Start @ runtime.js:1