IPBoard import into Xenforo - Server Error Undefined index: post_title

I have been trying to import my IPBoard into Xenforo for the past 2-3 hours and keep getting this error,
I've tried googling but nothing comes up, only some russians talking about it, in russian.

Is anyone able to help me?

Server Error

Undefined index: post_title

XenForo_Application::handlePhpError() in XenForo/Importer/IPBoard.php at line 2625
XenForo_Importer_IPBoard->stepThreads() in XenForo/Importer/Abstract.php at line 77
XenForo_Importer_Abstract->runStep() in XenForo/ControllerAdmin/Import.php at line 180
XenForo_ControllerAdmin_Import->_runStep() in XenForo/ControllerAdmin/Import.php at line 232
XenForo_ControllerAdmin_Import->_startStep() in XenForo/ControllerAdmin/Import.php at line 175
XenForo_ControllerAdmin_Import->actionStartStep() in XenForo/FrontController.php at line 310
XenForo_FrontController->dispatch() in XenForo/FrontController.php at line 132
XenForo_FrontController->run() in /home/noxcrewc/public_html/forum/admin.php at line 13

Thanks in advance

- Pathues