A PHP Error was encountered
Severity: Notice
Message: Undefined variable: cek_data
Filename: page/buku_detail.php
Line Number: 144
Backtrace:
File: /var/www/new/2023/application/views/web/page/buku_detail.php
Line: 144
Function: _error_handler
File: /var/www/new/2023/application/libraries/Web.php
Line: 18
Function: view
File: /var/www/new/2023/application/controllers/Buku.php
Line: 56
Function: views
File: /var/www/new/2023/index.php
Line: 315
Function: require_once
An uncaught Exception was encountered
Type: Error
Message: Call to a member function result_array() on null
Filename: /var/www/new/2023/application/views/web/page/buku_detail.php
Line Number: 144
Backtrace:
File: /var/www/new/2023/application/libraries/Web.php
Line: 18
Function: view
File: /var/www/new/2023/application/controllers/Buku.php
Line: 56
Function: views
File: /var/www/new/2023/index.php
Line: 315
Function: require_once