OwnCloud - Error downloading files after upgrading from 8.1.3 to 8.2?

Question

PHP

Hello.
After upgrading from ownCloud 8.1.3 to 8.2, the following error pops up in ownCloud-a client

File config.php

$CONFIG = array (
  'instanceid' => 'УДАЛЕНО',
  'passwordsalt' => 'УДАЛЕНО',
  'secret' => 'УДАЛЕНО',
  'trusted_domains' =>
  array (
    0 => '192.168.100.231',
  ),
  'datadirectory' => '/data/cloud',
  'overwrite.cli.url' => 'УДАЛЕНО',
  'dbtype' => 'mysql',
  'version' => '8.2.0.12',
  'dbname' => 'owncloud',
  'dbhost' => 'localhost',
  'dbtableprefix' => 'oc_',
  'dbuser' => 'owncloud',
  'dbpassword' => 'УДАЛЕНО',
  'installed' => true,
  'ldapIgnoreNamingRules' => false,
  'log_type' => 'owncloud',
  'logtimezone' => 'Europe/Chisinau',
  'loglevel' => 0,
  'logfile' => '/var/log/owncloud.log',
  'enable_previews' => true,
  'preview_max_x' => 100,
  'preview_max_y' => 100,
  'preview_max_scale_factor' => 10,
  'preview_libreoffice_path' => '/usr/bin/libreoffice',
  'preview_office_cl_parameters' => '',
  'theme' => '',
  'maintenance' => false,
  'appstore.experimental.enabled' => true,
  'trashbin_retention_obligation' => 'auto',
);

Here is what the log outputs

{"reqId":"LJQnPPN7RdmjYWevA\/x\/","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => \n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:06+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"LJQnPPN7RdmjYWevA\/x\/","remoteAddr":"192.168.100.75","app":"user_ldap","message":"readAttribute: cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md found","level":0,"time":"2015-11-09T15:00:06+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"LJQnPPN7RdmjYWevA\/x\/","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => \n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:06+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"LJQnPPN7RdmjYWevA\/x\/","remoteAddr":"192.168.100.75","app":"user_ldap","message":"readAttribute: cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md found","level":0,"time":"2015-11-09T15:00:06+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"LJQnPPN7RdmjYWevA\/x\/","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => primaryGroupID\n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:06+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"LJQnPPN7RdmjYWevA\/x\/","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => memberOf\n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:06+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"LJQnPPN7RdmjYWevA\/x\/","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => primaryGroupID\n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:06+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"LJQnPPN7RdmjYWevA\/x\/","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => memberOf\n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:06+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"LJQnPPN7RdmjYWevA\/x\/","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => \n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:06+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"LJQnPPN7RdmjYWevA\/x\/","remoteAddr":"192.168.100.75","app":"user_ldap","message":"readAttribute: cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md found","level":0,"time":"2015-11-09T15:00:06+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"LJQnPPN7RdmjYWevA\/x\/","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => displayname\n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:06+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => \n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:10+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"readAttribute: cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md found","level":0,"time":"2015-11-09T15:00:10+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => \n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:10+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"readAttribute: cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md found","level":0,"time":"2015-11-09T15:00:10+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => \n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:10+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"readAttribute: cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md found","level":0,"time":"2015-11-09T15:00:10+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => primaryGroupID\n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:10+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => memberOf\n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:11+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => primaryGroupID\n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:11+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => memberOf\n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:11+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => \n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:11+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"readAttribute: cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md found","level":0,"time":"2015-11-09T15:00:11+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}
{"reqId":"lZ+Is5aThyU4LIYW43ur","remoteAddr":"192.168.100.75","app":"user_ldap","message":"initializing paged search for  Filter objectClass=* base Array\n(\n    [0] => cn=andrei garaba,ou=officeusers,dc=mobilife,dc=md\n)\n attr Array\n(\n    [0] => displayname\n)\n limit 500 offset 0","level":0,"time":"2015-11-09T15:00:11+02:00","method":"PROPFIND","url":"\/remote.php\/webdav\/"}

In what there can be a problem I can not understand in any way in what a problem. OwnCloud
client log for windows : LOG