Fatal error: Uncaught TypeError: Return value of Composer\Autoload\ClassLoader::initializeIncludeClosure() must be an instance of Composer\Autoload\void, none returned in /homepages/20/d77039788/htdocs/clickandbuilds/AutohausRiemer/wp-content/plugins/simple-image-sizes/vendor/composer/ClassLoader.php:580
Stack trace:
#0 /homepages/20/d77039788/htdocs/clickandbuilds/AutohausRiemer/wp-content/plugins/simple-image-sizes/vendor/composer/ClassLoader.php(112): Composer\Autoload\ClassLoader::initializeIncludeClosure()
#1 /homepages/20/d77039788/htdocs/clickandbuilds/AutohausRiemer/wp-content/plugins/simple-image-sizes/vendor/composer/autoload_real.php(26): Composer\Autoload\ClassLoader->__construct('/homepages/20/d...')
#2 /homepages/20/d77039788/htdocs/clickandbuilds/AutohausRiemer/wp-content/plugins/simple-image-sizes/vendor/autoload.php(25): ComposerAutoloaderInit3a611a6ede095319b0e111987fd8830e::getLoader()
#3 /homepages/20/d77039788/htdocs/clickandbuilds/AutohausRiemer/wp-content/plugins/simple-image-sizes/simple_image_size in /homepages/20/d77039788/htdocs/clickandbuilds/AutohausRiemer/wp-content/plugins/simple-image-sizes/vendor/composer/ClassLoader.php on line 580