Fatal error: Uncaught PDOException: SQLSTATE[HY000] [2002] Only one usage of each socket address (protocol/network address/port) is normally permitted. in E:\XAMPP\htdocs\bvtwct\include\function.php:10 Stack trace: #0 E:\XAMPP\htdocs\bvtwct\include\function.php(10): PDO->__construct('mysql:host=loca...', 'ttcn', '147532312!', Array) #1 E:\XAMPP\htdocs\bvtwct\include\function.php(633): connect_data() #2 E:\XAMPP\htdocs\bvtwct\index.php(30): index_laytinmoi('15') #3 {main} thrown in E:\XAMPP\htdocs\bvtwct\include\function.php on line 10