Fatal error: Uncaught Error: Interface 'SimplePie\RegistryAware' not found in /home/perryt8/public_html/ultimateauthor/wp-includes/SimplePie/src/Source.php:57
Stack trace:
#0 {main}
thrown in /home/perryt8/public_html/ultimateauthor/wp-includes/SimplePie/src/Source.php on line 57