Severity: Warning
Message: call_user_func_array() expects parameter 1 to be a valid callback, class 'Error' does not have a method 'error_404'
Filename: core/CodeIgniter.php
Line Number: 532
Backtrace:
File: /home/polt2194/public_html/index.php
Line: 317
Function: require_once
Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at /home/polt2194/public_html/system/core/Exceptions.php:271)
Filename: core/Common.php
Line Number: 570
Backtrace:
Type: Error
Message: Call to a member function get_output() on null
Filename: /home/polt2194/public_html/application/hooks/compress_html.php
Line Number: 6
Backtrace:
File: /home/polt2194/public_html/index.php
Line: 317
Function: require_once