Fatal error: Uncaught TypeError: Return value of Composer\Autoload\ClassLoader::initializeIncludeClosure() must be an instance of Composer\Autoload\void, none returned in /home/josca/josca.wp.xdomain.jp/public_html/wp-content/plugins/vk-blocks/vendor/composer/ClassLoader.php:580 Stack trace: #0 /home/josca/josca.wp.xdomain.jp/public_html/wp-content/plugins/vk-blocks/vendor/composer/ClassLoader.php(112): Composer\Autoload\ClassLoader::initializeIncludeClosure() #1 /home/josca/josca.wp.xdomain.jp/public_html/wp-content/plugins/vk-blocks/vendor/composer/autoload_real.php(28): Composer\Autoload\ClassLoader->__construct('/home/josca/jos...') #2 /home/josca/josca.wp.xdomain.jp/public_html/wp-content/plugins/vk-blocks/vendor/autoload.php(25): ComposerAutoloaderInit736023d6e47018e1820cce677b7c4f9b::getLoader() #3 /home/josca/josca.wp.xdomain.jp/public_html/wp-content/plugins/vk-blocks/vk-blocks.php(139): require_once('/home/josca/jos...') #4 /home/josca/josca.wp.xdomain.jp/public_html/wp-settings.php(517): include_once('/home/jos in /home/josca/josca.wp.xdomain.jp/public_html/wp-content/plugins/vk-blocks/vendor/composer/ClassLoader.php on line 580