Warning: PDO::__construct(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.sock) in /usr/home/kpin/public_html/system/library/db/mpdo.php on line 9

Fatal error: Uncaught exception 'Exception' with message 'Unknown database 'kpin'' in /usr/home/kpin/public_html/system/library/db/mpdo.php:11
Stack trace:
#0 /usr/home/kpin/public_html/system/library/db.php(9): DB\mPDO->__construct('localhost', 'jurui', '!@#$jurui104', 'kpin', '3306')
#1 /usr/home/kpin/public_html/index.php(31): DB->__construct('mpdo', 'localhost', 'jurui', '!@#$jurui104', 'kpin', '3306')
#2 {main}
  thrown in /usr/home/kpin/public_html/system/library/db/mpdo.php on line 11