SQLSTATE[HY000] [1203] User wuhanjingle already has more than 'max_user_connections' active connections

SOURCE
FILE: /mnt/gb/webroot/tongcha/api.mingluji.com/pdo_db/db.php LINE: 129

TRACE
#1 /mnt/gb/webroot/tongcha/api.mingluji.com/pdo_db/functions.php(17)
#2 /mnt/gb/webroot/tongcha/api.mingluji.com/areacode/php/Common.php(223)
#3 /mnt/gb/webroot/tongcha/api.mingluji.com/areacode/php/Home.php(67)
#4 /mnt/gb/webroot/tongcha/api.mingluji.com/areacode/index.php(163)