Notice: Undefined index: content in /var/www/bigdata/includes/Sender.php on line 224

Fatal error: Uncaught TypeError: Argument 1 passed to Utils::parseText() must be of the type string, null given, called in /var/www/bigdata/includes/Sender.php on line 224 and defined in /var/www/bigdata/includes/Utils.php:74 Stack trace: #0 /var/www/bigdata/includes/Sender.php(224): Utils::parseText(NULL, '//p') #1 /var/www/bigdata/index.php(62): Sender->AddDataProperties() #2 {main} thrown in /var/www/bigdata/includes/Utils.php on line 74