Calendar update won't install

[WeT-Klb]

Steps to reproduce

1. Click the message for updating Calendar to 6.5.0
2. I am asked for password
3. After entering the password there's a message the calendar update couldn't be installed.

Expected behavior

The calendar update should install

Actual behavior

There's a message the calendar update couldn't be installed.

Calendar app version

6.5.0

CalDAV-clients used

No response

Browser

Edge, Chrome

Client operating system

No response

Server operating system

No response

Web server

None

Database engine version

None

PHP engine version

None

Nextcloud version

34.0.0

Updated from an older installed version or fresh install

None

List of activated apps

Nextcloud configuration

Web server error log

Log file

Browser log

Additional info

No response