Severity: Notice
Message: Trying to access array offset on value of type null
Filename: controllers/Teacher.php
Line Number: 10
Backtrace:
File: /home/kvschool/public_html/school/application/modules/teacher/controllers/Teacher.php
Line: 10
Function: _error_handler
File: /home/kvschool/public_html/school/index.php
Line: 382
Function: require_once
Severity: Warning
Message: Cannot modify header information - headers already sent by (output started at /home/kvschool/public_html/school/system/core/Exceptions.php:271)
Filename: helpers/url_helper.php
Line Number: 564
Backtrace:
File: /home/kvschool/public_html/school/application/modules/teacher/controllers/Teacher.php
Line: 11
Function: redirect
File: /home/kvschool/public_html/school/index.php
Line: 382
Function: require_once