Internal server error after upgrade to 13.0.6

Nextcloud version (eg, 12.0.2): 13.0.6
Operating system and version (eg, Ubuntu 17.04): Ubuntu 17.04
Apache or nginx version (eg, Apache 2.4.25): 2.4.25
PHP version (eg, 7.1): 7.0.19

The issue you are facing:

Is this the first time you’ve seen this error? (Y/N): Y

Steps to replicate it:

  1. upgrade from 13.0.4 to 13.06 version via web

The output of your Nextcloud log in Admin > Logging:

https://pastebin.pl/view/96fddb84

The output of your config.php file in /path/to/nextcloud (make sure you remove any identifiable information!):

$CONFIG = array (
  'instanceid' => 'xxx',
  'passwordsalt' => 'xxx',
  'secret' => 'xxx',
  'trusted_domains' => 
  array (
    0 => 'example.net',
    1 => 'x.x.x.x',
  ),
  'datadirectory' => '/dysk',
  'overwrite.cli.url' => 'https://example.net',
  'dbtype' => 'mysql',
  'version' => '13.0.6.1',
  'dbname' => 'nextclouddb',
  'dbhost' => 'localhost',
  'dbport' => '',
  'dbtableprefix' => 'oc_',
  'dbuser' => 'xxx',
  'dbpassword' => 'xxx',
  'installed' => true,
  'mail_from_address' => 'admin',
  'mail_smtpmode' => 'smtp',
  'mail_smtpauthtype' => 'PLAIN',
  'mail_domain' => 'example.net',
  'memcache.distributed' => '\\OC\\Memcache\\Redis',
  'memcache.local' => '\\OC\\Memcache\\Redis',
  'memcache.locking' => '\\OC\\Memcache\\Redis',
  'redis' => 
  array (
    'host' => 'localhost',
    'port' => 0,
  ),

The output of your Apache/nginx/system log in /var/log/____:

https://pastebin.pl/view/48415824

please help me.