<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;"> <h4>A PHP Error was encountered</h4> <p>Severity: Warning</p> <p>Message: Missing argument 1 for Abstract_submission::forceDownload(), called in /var/www/html/system/core/CodeIgniter.php on line 532 and defined</p> <p>Filename: controllers/Abstract_submission.php</p> <p>Line Number: 248</p> <p>Backtrace:</p> <p style="margin-left:10px"> File: /var/www/html/application/modules/conference/controllers/Abstract_submission.php<br /> Line: 248<br /> Function: _error_handler </p> <p style="margin-left:10px"> File: /var/www/html/index.php<br /> Line: 315<br /> Function: require_once </p> </div> <div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;"> <h4>A PHP Error was encountered</h4> <p>Severity: Notice</p> <p>Message: Undefined variable: id</p> <p>Filename: controllers/Abstract_submission.php</p> <p>Line Number: 251</p> <p>Backtrace:</p> <p style="margin-left:10px"> File: /var/www/html/application/modules/conference/controllers/Abstract_submission.php<br /> Line: 251<br /> Function: _error_handler </p> <p style="margin-left:10px"> File: /var/www/html/index.php<br /> Line: 315<br /> Function: require_once </p> </div> <div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;"> <h4>A PHP Error was encountered</h4> <p>Severity: Notice</p> <p>Message: Undefined index: file_path</p> <p>Filename: controllers/Abstract_submission.php</p> <p>Line Number: 253</p> <p>Backtrace:</p> <p style="margin-left:10px"> File: /var/www/html/application/modules/conference/controllers/Abstract_submission.php<br /> Line: 253<br /> Function: _error_handler </p> <p style="margin-left:10px"> File: /var/www/html/index.php<br /> Line: 315<br /> Function: require_once </p> </div> <div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;"> <h4>A PHP Error was encountered</h4> <p>Severity: Warning</p> <p>Message: file_get_contents(): Filename cannot be empty</p> <p>Filename: controllers/Abstract_submission.php</p> <p>Line Number: 253</p> <p>Backtrace:</p> <p style="margin-left:10px"> File: /var/www/html/application/modules/conference/controllers/Abstract_submission.php<br /> Line: 253<br /> Function: file_get_contents </p> <p style="margin-left:10px"> File: /var/www/html/index.php<br /> Line: 315<br /> Function: require_once </p> </div> <div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;"> <h4>A PHP Error was encountered</h4> <p>Severity: Notice</p> <p>Message: Undefined index: file_path</p> <p>Filename: controllers/Abstract_submission.php</p> <p>Line Number: 254</p> <p>Backtrace:</p> <p style="margin-left:10px"> File: /var/www/html/application/modules/conference/controllers/Abstract_submission.php<br /> Line: 254<br /> Function: _error_handler </p> <p style="margin-left:10px"> File: /var/www/html/index.php<br /> Line: 315<br /> Function: require_once </p> </div>