Error when trying to connect

[ekevu123]

I am having issues with Collabora, so I am looking into OnlyOffice as the office app for Nextcloud. I have installed both on the same server in Cloudron, but I get this error message when trying to connect:

Error when trying to connect (Error occurred in the document service: Error while downloading the document file to be converted.) (version 7.1.1.23)

Note that I did change the secret key and put it into Nextcloud, but it is still not working.

[nebulon]

What kind of document is this? Have you restarted both apps after adjusting the secret in both sides?

[ekevu123]

@nebulon Yes, I tried to restart them and adapted the keys.
It's not actually a specific document, but the message appears when I try to connect Only Office in the Nextcloud settings.

[nebulon]

since there are various onlyoffice apps in nextcloud, just to be sure, are you using https://apps.nextcloud.com/apps/onlyoffice ?

Also do you see any errors or blocked requests in your browser?

[ekevu123]

@nebulon Yes, this one!
I didn't see any blocked request in the browser.