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lovefamilyC

I need help. when i got ObjectType.analogInput's PropertyIdentifier.presentValue error.

        RemoteDevice rd = findRemoteDevice(address, 10, transport, ld);
        
        ObjectIdentifier objectIdentifier = new ObjectIdentifier(ObjectType.analogInput,0);
//        ObjectIdentifier objectIdentifier = new  ObjectIdentifier(ObjectType.device,10)
        Map<PropertyIdentifier, Encodable> values = RequestUtils.getProperties(ld, rd,
               objectIdentifier ,
                null,
                PropertyIdentifier.presentValue);


        System.out.println(values);

Error message：

Exception in thread "main" com.serotonin.bacnet4j.exception.BACnetException: property: missing-required-parameter
	at com.serotonin.bacnet4j.transport.ServiceFutureImpl.result(ServiceFutureImpl.java:85)
	at com.serotonin.bacnet4j.transport.ServiceFutureImpl.get(ServiceFutureImpl.java:64)
	at com.serotonin.bacnet4j.util.RequestUtils.sendOneAtATime(RequestUtils.java:429)
	at com.serotonin.bacnet4j.util.RequestUtils.readProperties(RequestUtils.java:400)
	at com.serotonin.bacnet4j.util.RequestUtils.readProperties(RequestUtils.java:258)
	at com.serotonin.bacnet4j.util.RequestUtils.getProperties(RequestUtils.java:142)
	at com.serotonin.bacnet4j.util.RequestUtils.getProperties(RequestUtils.java:136)
	at com.serotonin.bacnet4j.TestMy1.main(TestMy1.java:74)

vts message:

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