A PHP Error was encountered

Severity: Notice

Message: Trying to get property 'cf_file' of non-object

Filename: covid/instrucoes.php

Line Number: 278

Backtrace:

File: /home/site/public/site/views/errors/html/error_php.php
Line: 1
Function: require_once

File: /home/site/public/site/views/covid/instrucoes.php
Line: 278
Function: _error_handler

File: /home/site/public/app/core/php7/Loader.php
Line: 104
Function: parse

File: /home/site/public/site/controllers/WebSiteInfo.php
Line: 120
Function: page

File: /home/site/public/dist/backend/codeigniter/3/index.php
Line: 315
Function: require_once

File: /home/site/public/dist/backend/codeigniter/index.php
Line: 12
Function: include_once

File: /home/site/public/index.php
Line: 36
Function: require_once