Trying to update game the process notify error CE-36321-5.
Already tried to restart (power off, not suspension) but no resolution.
Already tried to delete update file e download again but no resolution.
Checked in log and the message is: errore CE-36321-5 applicazione NPXS20001 (ita)
I've searched in internet the error code but no result useful has been found.
Internal HD is almost free, 800 GB of available space.

Console: PS4, OS ver. 8.52 - last one.
MC : current version 2.21 - 13/03/2021
update automatically downloaded : 2.26