nextcloud installation error on truenas 13.0 u2

hello, can i get any help on this error of installation of nextcloud?

Error: nxtcld had a failure Exception: RuntimeError Message: Last 10 lines: + + + + + writing new private key to '/usr/local/etc/letsencrypt/live/truenas/server.key' ----- Signature ok subject=O = TrueNAS (Nextcloud), CN = localhost Getting CA Private Key Partial plugin destroyed

on 12.xx of truenas worked fine but now i can't even install.

i loose all of my data now. please help

THANKS