Error choosing calendar to put an event on

[jpschewe]

Steps to reproduce

1. Receive an email that is a meeting invitation
2. Click on the email
3. Click More Options
4. Click on the Save to dropdown

Expected behavior

I expect to be show a list of my calendars.

Actual behavior

There appear to be options, but they are all blank. When I look in my browser console I see the following:

[vue-select warn]: Could not stringify this option to generate unique key. Please provide'getOptionKey' prop to return a unique key for each option.
https://vue-select.org/api/props.html#getoptionkey 
Object { displayname: "Personal", color: "#f3162e", order: 0, components: {…}, writable: true, url: "/owncloud/remote.php/dav/calendars/jpschewe/defaultcalendar/", dav: {…} }
 TypeError: cyclic object value
    default vue-select.js:1
    default vue-select.js:1
    m vue-select.js:1
    Tt VueJS
    m vue-select.js:1
    VueJS 14
    onMouseMove vue-select.js:1
    mousemove vue-select.js:1
    VueJS 25
    toggleDropdown vue-select.js:1
    VueJS 

Mail app version

4.1.0

Nextcloud version

30.0.4

Mailserver or service

Local mail server

Operating system

Linux

PHP engine version

PHP 8.3

Nextcloud memory caching

No response

Web server

Apache (supported)

Database

PostgreSQL

Additional info

No response

[GretaD]

I see that the colour of the calendar in front is missing, but the list is shown correctly and its saved correctly. What browser are you using?

[jpschewe]

I'm using firefox.