Recover lost contacts Notes

I use the CardDav feature to sync Nextcloud on a VPS with my Samsung Note 3.

It turns out that Android has a 1000 character limit on each contacts’ Notes field. I just discovered that I’ve lost a ton of data due to this misfeature.

Is there any way to retrieve this data from Nextcloud? Does Nextcloud have a log of contacts’ fields? Or even a general Nextcloud log that might have this data stored somewhere?

Thank you.

Nextcloud doesn‘t have a „history“ function of contact or calendar data. However, the complete data of your contact notes might still be in the database and you might be able to export the data either via the webinterface of the contacts app within Nextcloud or, if you have shell access to the server, with the script calcardbackup.