TypeError: Cannot read property 'filter' of undefined

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Hi, I’m suddenly unable to display the content of my collections in the editor.
As soon as I click on a collection, whatever it is, the panel which is supposed to display its content remains desperately empty…
When I have a look at the console in the chrome developper tools, the following js error is displayed:

panelHeader.js:61 Uncaught (in promise) TypeError: Cannot read property 'filter' of undefined

    at VM231486 cmGridPanel.js:1

    at _ (VM231485 commons.js:12)

    at Generator._invoke (VM231485 commons.js:12)

    at Generator.e.<computed> [as next] (VM231485 commons.js:12)

    at o (VM231486 cmGridPanel.js:1)

    at VM231486 cmGridPanel.js:1

I tried to refresh, empty the cache, disconnect/reconnect, close/open chrome, use Safari, but nothing works and I’m totally stucked with this issue.
Would anyone have any idea about this weird issue?
Any help will be greatly appreciated.
Thanks in advance.

2

If you use code, please post it here.
If you don’t use code, you should contact Wix Support:
https://support.wix.com/en/article/contacting-wix-customer-care-for-support