Fatal error: Uncaught OpenTok\Exception\InvalidArgumentException: Null or empty session ID is not valid: in /var/www/meemee.tv/htdocs/vendor/opentok/opentok/src/OpenTok/Util/Validators.php:59 Stack trace: #0 /var/www/meemee.tv/htdocs/vendor/opentok/opentok/src/OpenTok/Util/Validators.php(189): OpenTok\Util\Validators::validateSessionId('') #1 /var/www/meemee.tv/htdocs/vendor/opentok/opentok/src/OpenTok/OpenTok.php(104): OpenTok\Util\Validators::validateSessionIdBelongsToKey('', '44969202') #2 /var/www/meemee.tv/htdocs/application/controllers/live.php(498): OpenTok\OpenTok->generateToken('', Array) #3 /var/www/meemee.tv/htdocs/system/core/CodeIgniter.php(325): Live->_remap('480', Array) #4 /var/www/meemee.tv/htdocs/index.php(235): require_once('/var/www/meemee...') #5 {main} thrown in /var/www/meemee.tv/htdocs/vendor/opentok/opentok/src/OpenTok/Util/Validators.php on line 59