Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/lecture.php
Line Number: 107
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/lecture.php
Line Number: 107
Severity: Notice
Message: Trying to get property of non-object
Filename: models/slides_model.php
Line Number: 40
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/lecture.php
Line Number: 129
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/lecture.php
Line Number: 133
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/lecture.php
Line Number: 135
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/lecture.php
Line Number: 135
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/lecture.php
Line Number: 136
Severity: Notice
Message: Trying to get property of non-object
Filename: controllers/lecture.php
Line Number: 136
Severity: Notice
Message: Trying to get property of non-object
Filename: core/MY_Controller.php
Line Number: 219
Severity: Notice
Message: Trying to get property of non-object
Filename: core/MY_Controller.php
Line Number: 236
Severity: Notice
Message: Trying to get property of non-object
Filename: core/MY_Controller.php
Line Number: 243
Severity: Notice
Message: Trying to get property of non-object
Filename: core/MY_Controller.php
Line Number: 261
Severity: Notice
Message: Trying to get property of non-object
Filename: core/MY_Controller.php
Line Number: 503
Severity: Notice
Message: Trying to get property of non-object
Filename: views/lecture_summary.php
Line Number: 2
Severity: Notice
Message: Trying to get property of non-object
Filename: views/lecture_summary.php
Line Number: 2