Fatal error: Uncaught Error: Class "BigBlueButton\Parameters\UserDataParameters" not found in /home/karendei/public_html/test.karenderia.ir/vendor/bigbluebutton/bigbluebutton-api-php/src/Parameters/JoinMeetingParameters.php:28 Stack trace: #0 {main} thrown in /home/karendei/public_html/test.karenderia.ir/vendor/bigbluebutton/bigbluebutton-api-php/src/Parameters/JoinMeetingParameters.php on line 28