Warning: Undefined array key 1 in /home/divinephotoandvi/public_html/components/com_yendifvideoshare/router.php on line 182

Deprecated: Creation of dynamic property Joomla\CMS\Document\ErrorDocument::$helix3 is deprecated in /home/divinephotoandvi/public_html/templates/flex/error.php on line 20
Attempted to call an undefined method named "read" of class "Joomla\CMS\Filesystem\File". (500 Whoops, looks like something went wrong.)

RouteNotFoundException UndefinedMethodError

HTTP 500 Whoops, looks like something went wrong.

Attempted to call an undefined method named "read" of class "Joomla\CMS\Filesystem\File".

Exceptions 2

Symfony\Component\ErrorHandler\Error\ UndefinedMethodError

in /home/divinephotoandvi/public_html/plugins/system/helix3/core/helix3.php (line 890)

An Error Occurred: Whoops, looks like something went wrong.

Sorry, there was a problem we could not recover from.

The server returned a "500 - Whoops, looks like something went wrong."

Help me resolve this