Can't work with Paygate

I test in my site in localhost but i got this error when I installed [bd] paygate addon

Code:

Argument 2 passed to Brivium_RMDownloadTracker_Model_Resource::canViewDownloadTracker() must be of the type array, null given, called in /home/xxx/xxx/library/Brivium/RMDownloadTracker/Model/Resource.php on line 24 and defined
1.XenForo_Application::handlePhpError() in Brivium/RMDownloadTracker/Model/Resource.php at line 5
2.Brivium_RMDownloadTracker_Model_Resource->canViewDownloadTracker() in Brivium/RMDownloadTracker/Model/Resource.php at line 24
3.Brivium_RMDownloadTracker_Model_Resource->prepareResource() in bdPaygate/XenResource/Model/Resource.php at line 9
4.bdPaygate_XenResource_Model_Resource->prepareResource() in bdPaygate/XenResource/ControllerPublic/Resource.php at line 22
5.bdPaygate_XenResource_ControllerPublic_Resource->actionBuyers() in XenForo/FrontController.php at line 351
6.XenForo_FrontController->dispatch() in XenForo/FrontController.php at line 134
7.XenForo_FrontController->run() in /home/xxx/xxx/index.php at line 13