Error while upgrading Nextcloud to 18.0.4

Hello,

i just wanted liek to upgrade my nextclod to 18.0.4 but following probles occupied:

Technical information

The following list covers which files have failed the integrity check. Please read
the previous linked documentation to learn more about the errors and how to fix
them.

Results

  • core
    • INVALID_HASH
      • .user.ini

Raw output

Array
(
[core] => Array
(
[INVALID_HASH] => Array
(
[.user.ini] => Array
(
[expected] => 4843b3217e91f8536cb9b52700efb20300290292cf6286f92794d4cec99df286afeb7dd6c91b1be20bc55eda541eef230a5c5e7dcd46c189edd0ed1e80c6d3f5
[current] => 5369e995aee39385689e39d729eb7356103d57dcbc298d4b493252279a6ce1c565815e17d00945d441994728b973839990bda0c7163e61017c451045e8022988
)

            )

    )

Plus

The execution of the cron job via the command line was not possible. The following technical errors occurred:
Your data directory is invalid. Make sure that a “.ocdata” file exists in the root directory of the data directory.

I really dont know how fix these problems. I hope you can help me.

THANK YOU VERY MUCH!