Fatal error: Uncaught Error: Interface 'WebpConverter\Conversion\Format\FormatInterface' not found in /var/www/sweves.se/httpdocs/wp-content/plugins/webp-converter-for-media/src/Conversion/Format/FormatAbstract.php:12 Stack trace: #0 {main} thrown in /var/www/sweves.se/httpdocs/wp-content/plugins/webp-converter-for-media/src/Conversion/Format/FormatAbstract.php on line 12