Fatal error: Call to a member function num_rows() on boolean in /home/uouedu/public_html/application/models/Poly_model.php on line 221

A PHP Error was encountered

Severity: Warning

Message: Cannot modify header information - headers already sent by (output started at /home/uouedu/public_html/application/models/Poly_model.php:221)

Filename: core/Common.php

Line Number: 568

Backtrace:

A PHP Error was encountered

Severity: Error

Message: Call to a member function num_rows() on boolean

Filename: models/Poly_model.php

Line Number: 221

Backtrace: