error 500 on backend

Hi !

We’ve got an 500 error on Backend, i disabled plugin temporarely but need to fix this ..

2018/04/23 11:15:12 [error] 29813#29813: *1436033 FastCGI sent in stderr: "PHP message: PHP Warning:  require_once({my-path}/wp-content/plugins/super-progressive-web-apps/admin/loader.php): failed to open stream: No such file or directory in {my-path}/wp-content/plugins/super-progressive-web-apps/superpwa.php on line 61
PHP message: PHP Fatal error:  require_once(): Failed opening required '{my-path}/wp-content/plugins/super-progressive-web-apps/admin/loader.php' (include_path='.:/usr/share/php') in {my-path}/wp-content/plugins/super-progressive-web-apps/superpwa.php on line 61" while reading response header from upstream, client: 105.102.84.199, server: frenchmac.com, request: "GET /wp-admin/admin-ajax.php?action=wpp_get_popular&id=12 HTTP/1.1", upstream: "fastcgi://unix:/var/lib/php7.0-fpm/web21.sock:", host: "frenchmac.com", referrer: "https://frenchmac.com/mac/sauvegarder-iphone-disque-dur-externe/"

We use last version of the plugin

Can you help us ?

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