Severity: Notice
Message: Trying to get property of non-object
Filename: views/view_materia.php
Line Number: 3
Severity: Notice
Message: Trying to get property of non-object
Filename: views/view_materia.php
Line Number: 7
Severity: Notice
Message: Trying to get property of non-object
Filename: views/view_materia.php
Line Number: 13
Severity: Notice
Message: Trying to get property of non-object
Filename: views/view_materia.php
Line Number: 15
Severity: Notice
Message: Trying to get property of non-object
Filename: views/view_materia.php
Line Number: 31
Severity: Notice
Message: Trying to get property of non-object
Filename: views/view_materia.php
Line Number: 31