There was an unknown error with application. More info: Unable to find template "frontend/index/404.twig" (looked into: /srv/www/dep.greenfriends.systems/public/../themes). ********************* Stack trace ********************************** 
/srv/www/dep.greenfriends.systems/public/index.php:24:
array (size=10)
  0 => 
    array (size=5)
      'file' => string '/srv/www/dep.greenfriends.systems/vendor/twig/twig/src/Loader/FilesystemLoader.php' (length=82)
      'line' => int 150
      'function' => string 'findTemplate' (length=12)
      'class' => string 'Twig\Loader\FilesystemLoader' (length=28)
      'type' => string '->' (length=2)
  1 => 
    array (size=5)
      'file' => string '/srv/www/dep.greenfriends.systems/vendor/twig/twig/src/Environment.php' (length=70)
      'line' => int 299
      'function' => string 'getCacheKey' (length=11)
      'class' => string 'Twig\Loader\FilesystemLoader' (length=28)
      'type' => string '->' (length=2)
  2 => 
    array (size=5)
      'file' => string '/srv/www/dep.greenfriends.systems/vendor/twig/twig/src/Environment.php' (length=70)
      'line' => int 381
      'function' => string 'getTemplateClass' (length=16)
      'class' => string 'Twig\Environment' (length=16)
      'type' => string '->' (length=2)
  3 => 
    array (size=5)
      'file' => string '/srv/www/dep.greenfriends.systems/vendor/twig/twig/src/Environment.php' (length=70)
      'line' => int 359
      'function' => string 'loadTemplate' (length=12)
      'class' => string 'Twig\Environment' (length=16)
      'type' => string '->' (length=2)
  4 => 
    array (size=5)
      'file' => string '/srv/www/dep.greenfriends.systems/vendor/twig/twig/src/Environment.php' (length=70)
      'line' => int 318
      'function' => string 'load' (length=4)
      'class' => string 'Twig\Environment' (length=16)
      'type' => string '->' (length=2)
  5 => 
    array (size=5)
      'file' => string '/srv/www/dep.greenfriends.systems/vendor/dj_avolak/skeletor/src/Action/Web/NotFound.php' (length=87)
      'line' => int 50
      'function' => string 'render' (length=6)
      'class' => string 'Twig\Environment' (length=16)
      'type' => string '->' (length=2)
  6 => 
    array (size=5)
      'file' => string '/srv/www/dep.greenfriends.systems/vendor/dj_avolak/skeletor/src/App/WebSkeletor.php' (length=83)
      'line' => int 119
      'function' => string '__invoke' (length=8)
      'class' => string 'Skeletor\Action\Web\NotFound' (length=28)
      'type' => string '->' (length=2)
  7 => 
    array (size=5)
      'file' => string '/srv/www/dep.greenfriends.systems/vendor/dj_avolak/skeletor/src/App/WebSkeletor.php' (length=83)
      'line' => int 71
      'function' => string 'handle404' (length=9)
      'class' => string 'Skeletor\App\WebSkeletor' (length=24)
      'type' => string '->' (length=2)
  8 => 
    array (size=5)
      'file' => string '/srv/www/dep.greenfriends.systems/vendor/dj_avolak/skeletor/src/App/WebSkeletor.php' (length=83)
      'line' => int 41
      'function' => string 'handle' (length=6)
      'class' => string 'Skeletor\App\WebSkeletor' (length=24)
      'type' => string '->' (length=2)
  9 => 
    array (size=5)
      'file' => string '/srv/www/dep.greenfriends.systems/public/index.php' (length=50)
      'line' => int 15
      'function' => string '__construct' (length=11)
      'class' => string 'Skeletor\App\WebSkeletor' (length=24)
      'type' => string '->' (length=2)