Warning: require_once(Zend/Amf/Value/Messaging/AcknowledgeMessage.php): failed to open stream: No such file or directory in /opt/lampp/htdocs/ThinkPHP/Extend/Vendor/Zend/Amf/Parse/TypeLoader.php on line 26

Fatal error: require_once(): Failed opening required 'Zend/Amf/Value/Messaging/AcknowledgeMessage.php' (include_path='.:/opt/lampp/lib/php') in /opt/lampp/htdocs/ThinkPHP/Extend/Vendor/Zend/Amf/Parse/TypeLoader.php on line 26