A PHP Error was encountered

Severity: Notice

Message: Trying to access array offset on value of type null

Filename: public/Download.php

Line Number: 58

Backtrace:

File: /var/www/html/public/application/controllers/public/Download.php
Line: 58
Function: _error_handler

File: /var/www/html/public/index.php
Line: 297
Function: require_once

A PHP Error was encountered

Severity: Notice

Message: file_get_contents(): read of 8192 bytes failed with errno=21 Is a directory

Filename: public/Download.php

Line Number: 60

Backtrace:

File: /var/www/html/public/application/controllers/public/Download.php
Line: 60
Function: file_get_contents

File: /var/www/html/public/index.php
Line: 297
Function: require_once