Costom theme is working unstable on power bi services. All colours came back to default.

[Tatmel]

Feedback Type:
Frown (Error)

Timestamp:
2020-01-28T11:33:18.9382319Z

Local Time:
2020-01-28T14:33:18.9382319+03:00

Session ID:
e10d3ceb-0ca0-4dbf-910d-6e4405ccf500

Release:
December 2019

Product Version:
2.76.5678.782 (19.12) (x64)

Stack Trace:
TypeError: Cannot read property 'name' of undefined
at ThemeDialogService.generateViewModel (ms-pbi://pbi.microsoft.com/minerva/scripts/desktop.js:62375:93)
at ThemeDialogService.show (ms-pbi://pbi.microsoft.com/minerva/scripts/desktop.js:62213:41)
at DesktopContainerController.showThemeDialog (ms-pbi://pbi.microsoft.com/minerva/scripts/powerbiDesktop.js:2946:176)
at DesktopContainerController.onThemeDialogButtonClicked (ms-pbi://pbi.microsoft.com/minerva/scripts/powerbiDesktop.js:2944:51)
at Object.<anonymous> (ms-pbi://pbi.microsoft.com/minerva/scripts/powerbiDesktop.js:2369:31)
at Object.dispatch (ms-pbi://pbi.microsoft.com/minerva/scripts/jquery.js:3:7537)
at Object.r.handle (ms-pbi://pbi.microsoft.com/minerva/scripts/jquery.js:3:5620)
at Object.trigger (ms-pbi://pbi.microsoft.com/minerva/scripts/jquery.js:4:4818)
at Object.<anonymous> (ms-pbi://pbi.microsoft.com/minerva/scripts/jquery.js:4:5328)
at Function.each (ms-pbi://pbi.microsoft.com/minerva/scripts/jquery.js:2:2861)

OS Version:
Microsoft Windows NT 10.0.18363.0 (x64 en-US)

CLR Version:
4.7 or later [Release Number = 528040]

Peak Virtual Memory:
38.7 GB

Private Memory:
675 MB

Peak Working Set:
804 MB

IE Version:
11.592.18362.0

User ID:
ea3d9a33-cbf7-48e1-b387-41cae88ea159

Workbook Package Info:
1* - en-US, Query Groups: 0, fastCombine: Disabled, runBackgroundAnalysis: False.

Telemetry Enabled:
True

Snapshot Trace Logs:
C:\Users\tatianam\AppData\Local\Microsoft\Power BI Desktop\FrownSnapShot1081668420.zip

Model Default Mode:
Import

Enabled Preview Features:
PBI_shapeMapVisualEnabled
PBI_SpanishLinguisticsEnabled
PBI_NewWebTableInference
PBI_showIncrementalRefreshPolicy
PBI_qnaLiveConnect
PQ_AIInsightsFunctionBrowser
PBI_realTimeRefresh
PBI_QueryDiagnostics
PBI_decompositionTree
PBI_themeDialog

Disabled Preview Features:
PBI_showMinervaRibbon
PBI_showMinervaViewNavigator

Disabled DirectQuery Options:
TreatHanaAsRelationalSource

Cloud:
GlobalCloud

DPI Scale:
100%

Supported Services:
Power BI

[v-chuncz-msft]

@Tatmel 

I cannot reproduce the issue. Check Limitations and considerations and create a support ticket for assistance if necessary.