#0 src/addons/XFI/Import/Importer/vBulletin.php(3079): XF::handlePhpError(8, '[E_NOTICE] Unde...', '/var/www/html/p...', 3079, Array)
#1 src/XF/Import/Runner.php(160): XFI\Import\Importer\vBulletin->stepPosts(Object(XF\Import\StepState), Array, 8)
#2 src/XF/Import/Runner.php(74)...