Warning: require_once(/customers/d/f/b/cafebecker.de/httpd.www/wp-content/plugins/wp-smush-pro/core/class-installer.php): Failed to open stream: No such file or directory in /customers/d/f/b/cafebecker.de/httpd.www/wp-content/plugins/wp-smush-pro/wp-smush.php on line 141

Fatal error: Uncaught Error: Failed opening required '/customers/d/f/b/cafebecker.de/httpd.www/wp-content/plugins/wp-smush-pro/core/class-installer.php' (include_path='.:/usr/share/php') in /customers/d/f/b/cafebecker.de/httpd.www/wp-content/plugins/wp-smush-pro/wp-smush.php:141
Stack trace:
#0 /customers/d/f/b/cafebecker.de/httpd.www/wp-settings.php(453): include_once()
#1 /customers/d/f/b/cafebecker.de/httpd.www/wp-config.php(102): require_once('/customers/d/f/...')
#2 /customers/d/f/b/cafebecker.de/httpd.www/wp-load.php(50): require_once('/customers/d/f/...')
#3 /customers/d/f/b/cafebecker.de/httpd.www/wp-blog-header.php(13): require_once('/customers/d/f/...')
#4 /customers/d/f/b/cafebecker.de/httpd.www/index.php(17): require('/customers/d/f/...')
#5 {main}
  thrown in /customers/d/f/b/cafebecker.de/httpd.www/wp-content/plugins/wp-smush-pro/wp-smush.php on line 141