Cannot invoke "com.serotonin.bacnet4j.type.enumerated.Segmentation.intValue()" because "this.segmentationSupported" is null

[IrisonCC]

localDevice:10.213.22.7,port:47808 ,remoteDevice's ip : 172.18.39.116 ,port : 47808, deviceId 504

final ReadPropertyAck supportedServicesAck = (ReadPropertyAck) localDevice
.send(remoteDevice, new ReadPropertyRequest(remoteDevice.getObjectIdentifier(), PropertyIdentifier.protocolServicesSupported)).get(); report the error。

but I use Yabe to test ,it can get the remote device and get all datas