Fatal error: Uncaught ArgumentCountError: Redis::scard() expects exactly 1 argument, 0 given in /www/wwwroot/doupi.com/src/rds.php:333 Stack trace: #0 /www/wwwroot/doupi.com/src/rds.php(333): Redis->scard() #1 /www/wwwroot/doupi.com/src/common.php(484): doupi\rds->scard() #2 /www/wwwroot/doupi.com/src/dispatch.php(77): get_fan_domain_num() #3 /www/wwwroot/doupi.com/src/dispatch.php(410): doupi\dispatch::initialize() #4 /www/wwwroot/doupi.com/index.php(7): doupi\dispatch::run() #5 {main} thrown in /www/wwwroot/doupi.com/src/rds.php on line 333