MS Authenticator Cloud Backup

Question

Good morning,

For months now I've been having an error saving the backup to the cloud in the App, which gives me the message that the backup is too large.

I opened a ticket in the admin center but they informed me that they didn't solve it, they directed me to the Technet forum which I posted there and I didn't get any response.

Now I come here too, to see if anyone can help.

I attach the error. I have 120 accounts on it.