Warning: mysqli_connect(): (HY000/2002): No such file or directory in /opt/lampp/htdocs/system/model.php on line 11

Warning: mysqli_error() expects parameter 1 to be mysqli, boolean given in /opt/lampp/htdocs/system/model.php on line 11
MySQL Error:
Warning: mysqli_connect(): (HY000/2002): No such file or directory in /opt/lampp/htdocs/system/model.php on line 11

Warning: mysqli_error() expects parameter 1 to be mysqli, boolean given in /opt/lampp/htdocs/system/model.php on line 11
MySQL Error:
Warning: mysqli_close() expects parameter 1 to be mysqli, boolean given in /opt/lampp/htdocs/system/model.php on line 17

Warning: mysqli_close() expects parameter 1 to be mysqli, boolean given in /opt/lampp/htdocs/system/model.php on line 17