Fatal error: Uncaught TypeError: Return value of Composer\Autoload\ClassLoader::initializeIncludeClosure() must be an instance of Composer\Autoload\void, none returned in /homepages/23/d709260150/htdocs/LivingMeki/wp-content/plugins/visualizer/vendor/composer/ClassLoader.php:580 Stack trace: #0 /homepages/23/d709260150/htdocs/LivingMeki/wp-content/plugins/visualizer/vendor/composer/ClassLoader.php(112): Composer\Autoload\ClassLoader::initializeIncludeClosure() #1 /homepages/23/d709260150/htdocs/LivingMeki/wp-content/plugins/visualizer/vendor/composer/autoload_real.php(28): Composer\Autoload\ClassLoader->__construct('/homepages/23/d...') #2 /homepages/23/d709260150/htdocs/LivingMeki/wp-content/plugins/visualizer/vendor/autoload.php(25): ComposerAutoloaderInit13a4206e48217fda3df03a3590a64aae::getLoader() #3 /homepages/23/d709260150/htdocs/LivingMeki/wp-content/plugins/visualizer/index.php(132): include_once('/homepages/23/d...') #4 /homepages/23/d709260150/htdocs/LivingMeki/wp-content/plugins/visualizer/index.php(171): visu in /homepages/23/d709260150/htdocs/LivingMeki/wp-content/plugins/visualizer/vendor/composer/ClassLoader.php on line 580