A PHP Error was encountered

Severity: Notice

Message: Undefined index: title

Filename: views/author_post_list_yt.php

Line Number: 9

Backtrace:

File: /var/www/html/KOL/kolauthor/application/views/author_post_list_yt.php
Line: 9
Function: _error_handler

File: /var/www/html/KOL/kolauthor/application/controllers/Author.php
Line: 75
Function: view

File: /var/www/html/KOL/kolauthor/application/controllers/Author.php
Line: 21
Function: author_article

File: /var/www/html/KOL/kolauthor/public/index.php
Line: 315
Function: require_once