Add throw error function

inc/PhpObject.php

@@ -96,6 +96,12 @@ class PhpObject
 		$this->addMessage(self::ERROR_TAB, $sError);
 	}
 
+	protected function throwError(string $sError): never
+	{
+		$this->addError($sError);
+		throw new \RuntimeException($sError);
+	}
+
 	private function addMessage($sType, $sMessage)
 	{
 		$this->asMessageStack[$sType][] = array('msg'=>$sMessage, 'time'=>date('d.m.Y H:i:s'), 'type'=>$sType, 'location'=>$this->sChildClass);