Fatal error: Uncaught RedisException: OOM command not allowed when used memory > 'maxmemory'. in D:\wwwroot\nn.city\w\city_ask.php:91 Stack trace: #0 D:\wwwroot\nn.city\w\city_ask.php(91): Redis->setex('ask_\xE8\xB4\xB5\xE5\xB7\x9E87688', 43200, '["<a href=\\"\\/a...') #1 D:\wwwroot\nn.city\city_ask.php(16): include('D:\\wwwroot\\nn.c...') #2 {main} thrown in D:\wwwroot\nn.city\w\city_ask.php on line 91