A PHP Error was encountered

Severity: Notice

Message: Trying to get property of non-object

Filename: controllers/Cursos.php

Line Number: 31

Backtrace:

File: /home/tqd/public_html/application/controllers/Cursos.php
Line: 31
Function: _error_handler

File: /home/tqd/public_html/index.php
Line: 315
Function: require_once

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/tqd/public_html/system/core/Exceptions.php:272)

Filename: core/Common.php

Line Number: 573

Backtrace:

File: /home/tqd/public_html/application/models/Cadastros_model.php
Line: 32
Function: query

File: /home/tqd/public_html/application/controllers/Cursos.php
Line: 31
Function: getQtdePedidosByCurso

File: /home/tqd/public_html/index.php
Line: 315
Function: require_once

A Database Error Occurred

Error Number: 1064

You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near '&& status!=3' at line 3

SELECT * FROM cadastros_cursos WHERE id_curso = && status!=3

Filename: models/Cadastros_model.php

Line Number: 32