Fatal error: Uncaught Error: Class 'League\Flysystem\AwsS3v3\AwsS3Adapter' not found in /var/www/src/config.php:28 Stack trace: #0 [internal function]: XF\App->{closure}() #1 /var/www/src/XF/FsMounts.php(17): call_user_func(Object(Closure)) #2 /var/www/src/XF/App.php(1071): XF\FsMounts::loadDefaultMounts(Array) #3 /var/www/src/XF/Container.php(28): XF\App->XF\{closure}(Object(XF\Container)) #4 /var/www/src/XF/App.php(2540): XF\Container->offsetGet('fs') #5 /var/www/src/XF.php(866): XF\App->fs() #6 /var/www/src/XF/Util/File.php(738): XF::fs() #7 /var/www/src/XF/Error.php(346): XF\Util\File::installLockExists() #8 /var/www/src/XF/App.php(2316): XF\Error->displayFatalExceptionMessage(Object(XF\Db\Exception)) #9 /var/www/src/XF.php(174): XF\App->displayFatalExceptionMessage(Object(XF\Db\Exception)) #10 [internal function]: XF::handleException(Object(XF\Db\Exception)) #11 {main} thrown in /var/www/src/config.php on line 28