Warning: include(/var/www/html/vendor/composer/../psr/container/src/ContainerInterface.php): failed to open stream: Transport endpoint is not connected in /var/www/html/vendor/composer/ClassLoader.php on line 576

Warning: include(): Failed opening '/var/www/html/vendor/composer/../psr/container/src/ContainerInterface.php' for inclusion (include_path='.:/usr/local/lib/php') in /var/www/html/vendor/composer/ClassLoader.php on line 576

Fatal error: Uncaught Error: Interface 'Psr\Container\ContainerInterface' not found in /var/www/html/system/src/Grav/Framework/DI/Container.php:16 Stack trace: #0 /var/www/html/vendor/composer/ClassLoader.php(576): include() #1 /var/www/html/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/var/www/html/v...') #2 [internal function]: Composer\Autoload\ClassLoader->loadClass('Grav\\Framework\\...') #3 /var/www/html/system/src/Grav/Common/Grav.php(77): spl_autoload_call('Grav\\Framework\\...') #4 /var/www/html/vendor/composer/ClassLoader.php(576): include('/var/www/html/s...') #5 /var/www/html/vendor/composer/ClassLoader.php(427): Composer\Autoload\{closure}('/var/www/html/v...') #6 [internal function]: Composer\Autoload\ClassLoader->loadClass('Grav\\Common\\Gra...') #7 /var/www/html/index.php(43): spl_autoload_call('Grav\\Common\\Gra...') #8 {main} thrown in /var/www/html/system/src/Grav/Framework/DI/Container.php on line 16