ValueError - DOMDocument::registerNodeClass(): Argument #2 ($extendedClass) must not be an abstract class /var/www/insulation-calculator/vendor/phpgt/dom/src/Document.php:360
object(ValueError)#84 (7) {
  ["message":protected]=>
  string(92) "DOMDocument::registerNodeClass(): Argument #2 ($extendedClass) must not be an abstract class"
  ["string":"Error":private]=>
  string(0) ""
  ["code":protected]=>
  int(0)
  ["file":protected]=>
  string(64) "/var/www/insulation-calculator/vendor/phpgt/dom/src/Document.php"
  ["line":protected]=>
  int(360)
  ["trace":"Error":private]=>
  array(10) {
    [0]=>
    array(5) {
      ["file"]=>
      string(64) "/var/www/insulation-calculator/vendor/phpgt/dom/src/Document.php"
      ["line"]=>
      int(360)
      ["function"]=>
      string(17) "registerNodeClass"
      ["class"]=>
      string(11) "DOMDocument"
      ["type"]=>
      string(2) "->"
    }
    [1]=>
    array(5) {
      ["file"]=>
      string(64) "/var/www/insulation-calculator/vendor/phpgt/dom/src/Document.php"
      ["line"]=>
      int(63)
      ["function"]=>
      string(19) "registerNodeClasses"
      ["class"]=>
      string(15) "Gt\Dom\Document"
      ["type"]=>
      string(2) "->"
    }
    [2]=>
    array(5) {
      ["file"]=>
      string(68) "/var/www/insulation-calculator/vendor/phpgt/dom/src/HTMLDocument.php"
      ["line"]=>
      int(25)
      ["function"]=>
      string(11) "__construct"
      ["class"]=>
      string(15) "Gt\Dom\Document"
      ["type"]=>
      string(2) "->"
    }
    [3]=>
    array(5) {
      ["file"]=>
      string(75) "/var/www/insulation-calculator/vendor/phpgt/webengine/src/View/HTMLView.php"
      ["line"]=>
      int(13)
      ["function"]=>
      string(11) "__construct"
      ["class"]=>
      string(19) "Gt\Dom\HTMLDocument"
      ["type"]=>
      string(2) "->"
    }
    [4]=>
    array(5) {
      ["file"]=>
      string(87) "/var/www/insulation-calculator/vendor/phpgt/webengine/src/Middleware/RequestHandler.php"
      ["line"]=>
      int(169)
      ["function"]=>
      string(15) "createViewModel"
      ["class"]=>
      string(26) "Gt\WebEngine\View\HTMLView"
      ["type"]=>
      string(2) "->"
    }
    [5]=>
    array(5) {
      ["file"]=>
      string(87) "/var/www/insulation-calculator/vendor/phpgt/webengine/src/Middleware/RequestHandler.php"
      ["line"]=>
      int(116)
      ["function"]=>
      string(13) "handleRouting"
      ["class"]=>
      string(38) "Gt\WebEngine\Middleware\RequestHandler"
      ["type"]=>
      string(2) "->"
    }
    [6]=>
    array(5) {
      ["file"]=>
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      ["line"]=>
      int(93)
      ["function"]=>
      string(23) "completeRequestHandling"
      ["class"]=>
      string(38) "Gt\WebEngine\Middleware\RequestHandler"
      ["type"]=>
      string(2) "->"
    }
    [7]=>
    array(5) {
      ["file"]=>
      string(82) "/var/www/insulation-calculator/vendor/phpgt/webengine/src/Middleware/Lifecycle.php"
      ["line"]=>
      int(141)
      ["function"]=>
      string(6) "handle"
      ["class"]=>
      string(38) "Gt\WebEngine\Middleware\RequestHandler"
      ["type"]=>
      string(2) "->"
    }
    [8]=>
    array(5) {
      ["file"]=>
      string(82) "/var/www/insulation-calculator/vendor/phpgt/webengine/src/Middleware/Lifecycle.php"
      ["line"]=>
      int(93)
      ["function"]=>
      string(7) "process"
      ["class"]=>
      string(33) "Gt\WebEngine\Middleware\Lifecycle"
      ["type"]=>
      string(2) "->"
    }
    [9]=>
    array(5) {
      ["file"]=>
      string(60) "/var/www/insulation-calculator/vendor/phpgt/webengine/go.php"
      ["line"]=>
      int(49)
      ["function"]=>
      string(5) "start"
      ["class"]=>
      string(33) "Gt\WebEngine\Middleware\Lifecycle"
      ["type"]=>
      string(2) "->"
    }
  }
  ["previous":"Error":private]=>
  NULL
}