A PHP Error was encountered

Severity: Warning

Message: Missing argument 1 for Know::detail()

Filename: controllers/know.php

Line Number: 102

Backtrace:

File: C:\xampp\htdocs\merry-spa\application\controllers\know.php
Line: 102
Function: _error_handler

File: C:\xampp\htdocs\merry-spa\index.php
Line: 329
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: Undefined variable: num

Filename: controllers/know.php

Line Number: 116

Backtrace:

File: C:\xampp\htdocs\merry-spa\application\controllers\know.php
Line: 116
Function: _error_handler

File: C:\xampp\htdocs\merry-spa\index.php
Line: 329
Function: require_once