Here you go! 
[CODE]Exception trace:
() at /var/www/html/public/src/XF/Service/User/Avatar.php:256
XF\Service\User\Avatar->updateAvatar() at /var/www/html/public/src/XF/Import/DataHelper/Avatar.php:37
XF\Import\DataHelper\Avatar->setAvatarFromFile() at /var/www/html/public/src/addons/XFI/Import/Importer/vBulletin.php:1419
XFI\Import\Importer\vBulletin->stepAvatars() at /var/www/html/public/src/XF/Import/Runner.php:160
XF\Import\Runner->runStep() at /var/www/html/public/src/XF/Import/Runner.php:74
XF\Import\Runner->run() at /var/www/html/public/src/XF/Cli/Command/Import.php:66
XF\Cli\Command\Import->execute() at /var/www/html/public/src/vendor/symfony/console/Command/Command.php:242
Symfony\Component\Console\Command\Command->run() at /var/www/html/public/src/vendor/symfony/console/Application.php:843
Symfony\Component\Console\Application->doRunCommand() at /var/www/html/public/src/vendor/symfony/console/Application.php:193
Symfony\Component\Console\Application->doRun() at /var/www/html/public/src/vendor/symfony/console/Application.php:117
Symfony\Component\Console\Application->run() at /var/www/html/public/src/XF/Cli/Runner.php:63
XF\Cli\Runner->run() at /var/www/html/public/cmd.php:15[/CODE]