Fatal error: Uncaught Error: Class "League\Flysystem\AwsS3V3\AwsS3V3Adapter" not found in /var/www/html/src/config.php:34 Stack trace: #0 /var/www/html/src/XF/FsMounts.php(19): XF\App->{closure}() #1 /var/www/html/src/XF/App.php(1119): XF\FsMounts::loadDefaultMounts(Array) #2 /var/www/html/src/XF/Container.php(31): XF\App->XF\{closure}(Object(XF\Container)) #3 /var/www/html/src/XF/App.php(2736): XF\Container->offsetGet('...') #4 /var/www/html/src/XF.php(944): XF\App->fs() #5 /var/www/html/src/XF/Util/File.php(770): XF::fs() #6 /var/www/html/src/XF/Error.php(355): XF\Util\File::installLockExists() #7 /var/www/html/src/XF/App.php(2503): XF\Error->displayFatalExceptionMessage(Object(XF\Db\Exception)) #8 /var/www/html/src/XF.php(203): XF\App->displayFatalExceptionMessage(Object(XF\Db\Exception)) #9 [internal function]: XF::handleException(Object(XF\Db\Exception)) #10 {main} thrown in /var/www/html/src/config.php on line 34