Severity: Notice
Message: Undefined index: p_teacher_a
Filename: controllers/Teacher.php
Line Number: 73
Backtrace:
File: /var/www/vhosts/restest.osms.vn/httpdocs/application/controllers/Teacher.php
Line: 73
Function: _error_handler
File: /var/www/vhosts/restest.osms.vn/httpdocs/index.php
Line: 257
Function: require_once