Fatal error: Uncaught TypeError: Return value of Composer\Autoload\ClassLoader::initializeIncludeClosure() must be an instance of Composer\Autoload\void, none returned in /home/captom/captom.wp.xdomain.jp/public_html/wp-content/plugins/vk-all-in-one-expansion-unit/vendor/composer/ClassLoader.php:580 Stack trace: #0 /home/captom/captom.wp.xdomain.jp/public_html/wp-content/plugins/vk-all-in-one-expansion-unit/vendor/composer/ClassLoader.php(112): Composer\Autoload\ClassLoader::initializeIncludeClosure() #1 /home/captom/captom.wp.xdomain.jp/public_html/wp-content/plugins/vk-all-in-one-expansion-unit/vendor/composer/autoload_real.php(28): Composer\Autoload\ClassLoader->__construct('/home/captom/ca...') #2 /home/captom/captom.wp.xdomain.jp/public_html/wp-content/plugins/vk-all-in-one-expansion-unit/vendor/autoload.php(25): ComposerAutoloaderInitea4390f4f04cb864e831def618d22dfe::getLoader() #3 /home/captom/captom.wp.xdomain.jp/public_html/wp-content/plugins/vk-all-in-one-expansion-unit/vkExUnit.php(36): require_once('/home/capt in /home/captom/captom.wp.xdomain.jp/public_html/wp-content/plugins/vk-all-in-one-expansion-unit/vendor/composer/ClassLoader.php on line 580