Error - Unhandled Promise Rejection

[naivomah3]

This error appears while closing the app. It has no major impact when reopening the app that the change made on Theme will reset to the default color.
It sometimes appears, sometimes not. I'm also unable to reproduce.
OS: Ubuntu 20.04

Unhandled Promise Rejection
TypeError: Cannot read property 'name' of undefined
    at Function.value (/tmp/.mount_moose-deTaBf/resources/app.asar/app/background.js:10:259589)
    at t.<anonymous> (/tmp/.mount_moose-deTaBf/resources/app.asar/app/background.js:10:258584)
    at u (/tmp/.mount_moose-deTaBf/resources/app.asar/app/background.js:9:73141)
    at Generator._invoke (/tmp/.mount_moose-deTaBf/resources/app.asar/app/background.js:9:72894)
    at Generator.forEach.t.<computed> [as next] (/tmp/.mount_moose-deTaBf/resources/app.asar/app/background.js:9:73498)
    at o (/tmp/.mount_moose-deTaBf/resources/app.asar/app/background.js:10:242367)
    at a (/tmp/.mount_moose-deTaBf/resources/app.asar/app/background.js:10:242570)