Recent update 2.3.0 crashing site

Fatal error: Uncaught Error: Failed opening required ‘/usr/www/users/shop/wp-content/plugins/sepa-qr-code-for-woocommerce/src/settings.php’ (include_path=’.:/usr/local/lib/php/’) in /usr/www/users/shop/wp-content/plugins/sepa-qr-code-for-woocommerce/muxp-sepaqr.php:52 Stack trace: #0 /usr/www/users/shop/wp-settings.php(545): include_once() #1 /usr/www/users/shop/wp-config.php(122): require_once(‘/usr/www/users/…’) #2 /usr/www/users/shop/wp-load.php(50): require_once(‘/usr/www/users/…’) #3 /usr/www/users/shop/wp-blog-header.php(13): require_once(‘/usr/www/users/…’) #4 /usr/www/users/shop/index.php(17): require(‘/usr/www/users/…’) #5 {main} thrown in /usr/www/users/shop/wp-content/plugins/sepa-qr-code-for-woocommerce/muxp-sepaqr.php on line 52