Sync issues after updating to 21.0.7

I have issues with synchronisation after upgrading to 21.0.7
Ubuntu 18.04
Php version: 7.3.28
MariaDB: 10.4.22

Config file:

$CONFIG = array (
‘instanceid’ => ‘oc2geit6axod’,
‘objectstore’ =>
array (
‘class’ => ‘\OC\Files\ObjectStore\S3’,
‘arguments’ =>
array (
‘bucket’ => ‘nextcloudamazons3bucket0’,
‘autocreate’ => true,
‘key’ => ‘xxx’,
‘secret’ => ‘xxx’,
‘hostname’ => ‘s3-eu-central-1.amazonaws.com’,
‘use_ssl’ => true,
‘region’ => ‘eu-central-1’,
),
),
‘passwordsalt’ => ‘xxx’,
‘secret’ => ‘xxx’,
‘trusted_domains’ =>
array (
0 => ‘3.127.225.169’,
1 => ‘cloud.karuny.com’,
),
‘datadirectory’ => ‘/var/www/nextcloud/data’,
‘dbtype’ => ‘mysql’,
‘version’ => ‘21.0.7.0’,
‘overwrite.cli.url’ => ‘http://3.127.225.169/nextcloud’,
‘dbname’ => ‘nextcloud’,
‘dbhost’ => ‘localhost’,
‘dbport’ => ‘’,
‘dbtableprefix’ => ‘oc_’,
‘dbuser’ => ‘nc_user’,
‘dbpassword’ => ‘xxx’,
‘installed’ => true,
‘memcache.locking’ => ‘\OC\Memcache\Redis’,
‘memcache.distributed’ => ‘\OC\Memcache\Redis’,
‘memcache.local’ => ‘\OC\Memcache\Redis’,
‘redis’ =>
array (
‘host’ => ‘localhost’,
‘port’ => 6379,
‘timeout’ => 3,
),
‘mail_smtpmode’ => ‘smtp’,
‘mail_smtpsecure’ => ‘ssl’,
‘mail_sendmailmode’ => ‘smtp’,
‘mail_from_address’ => ‘cloud’,
‘mail_domain’ => ‘karuny.com’,
‘mail_smtpauth’ => 1,
‘mail_smtphost’ => ‘smtp.e-advice.dk’,
‘mail_smtpport’ => ‘465’,
‘mail_smtpname’ => ‘cloud@karuny.com’,
‘mail_smtppassword’ => ‘xxx’,
‘maintenance’ => false,
‘log_type’ => ‘syslog’,
‘logfile’ => ‘’,
‘loglevel’ => 2,
‘mysql.utf8mb4’ => true,
‘theme’ => ‘’,
‘app_install_overwrite’ =>
array (
0 => ‘spreed’,
1 => ‘calendar’,
),
‘ldapIgnoreNamingRules’ => false,
‘ldapProviderFactory’ => ‘OCA\User_LDAP\LDAPProviderFactory’,
‘updater.secret’ => ‘$xxx’,
);

We have several issues.
1, (it is the less important right now) Android Mobile App can not see All Files, it is saying, server is not found.
2, Newly created files are saying, they were created 52 years ago.
3, Files which were uploaded previously are having a sync problem due to mismatching checksums. “The Download file does not match the checksum, it will resumed.”

I have been looking around but did not find any solution so far.
Could you help us on this issue please.
Let me know if you need logs or anything else.
Thank you in advance.

With the missing/false time stamp, this could be related in a bug that was in the first release of the desktop client version 3.4.0:

Some in that post tried to recreate the correct timestamps, for small setups with few changes it might be easier to recover from a backup.

Hi,

Thnx for the reply, what about the third issue?

3, Files which were uploaded previously are having a sync problem due to mismatching checksums. “The Download file does not match the checksum, it will resumed.”

I have been reading all over but could not find any feasible solution.
Maybe could you point me into the right direction?

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