OpcLabs.EasyOpc.UA.OperationModel.UAException: An OPC-UA operation failure with error ID 'Opc.UA.ServiceResult=0x80730000' occurred, originating from 'OpcLabs.EasyOpcUA' and with depth of 1. The inner OPC-UA service exception with service result 'BadWriteNotSupported' contains details about the problem. ---> OpcLabs.EasyOpc.UA.UAServiceException: OPC-UA service result - An error specific to OPC-UA service occurred (status code: BadWriteNotSupported). Details follow.
---- SERVICE RESULT ----
Status Code: {BadWriteNotSupported} = 0x80730000 (2155020288)
 
+ A list of parts provided (or not provided) to the Write operation follows. Value: yes, index range: no, source timestamp: yes, server timestamp: no.
+ The client method called was 'WriteMultiple'.
   --- Fin de la trace de la pile d'exception interne ---
   à OpcLabs.EasyOpc.UA.IEasyUAClientExtension.Write(IEasyUAClient client, UAWriteArguments writeArguments)
   à OpcLabs.EasyOpc.UA.IEasyUAClientExtension.Write(IEasyUAClient client, UAEndpointDescriptor endpointDescriptor, UANodeDescriptor nodeDescriptor, UAAttributeData attributeData, Type valueType)
   à OpcLabs.EasyOpc.UA.IEasyUAClientExtension.Write(IEasyUAClient client, UAEndpointDescriptor endpointDescriptor, UANodeDescriptor nodeDescriptor, UAAttributeData attributeData)
   à TestOpcUA.Program.Test2() dans D:\vcpp\TestOpcUA47\TestOpcUA\Program.cs:ligne 78
   à TestOpcUA.Program.Main(String[] args) dans D:\vcpp\TestOpcUA47\TestOpcUA\Program.cs:ligne 98

            Init();
 
            var client = new EasyUAClient();
            var endPointDescription = new UAEndpointDescriptor("opc.tcp://10.145.14.31:48050");
 
            UAAttributeData attributeData = client.Read(endPointDescription, "ns=7;s=MAIN.barrayV");
 
            object ret = null;
 
            //read ok
            if (attributeData.HasGoodStatus == true)
            {
                ret = attributeData.Value;
 
                var bytes = ret as Byte[];
                for (int i = 0; i < bytes?.Length; i++)
                {
                    bytes[i] = (byte)(1 - bytes[i]);
                }
 
 
                UAAttributeData writeValue = new UAAttributeData(bytes, UASeverity.GoodOrSuccess, DateTime.UtcNow);
                client.Write(endPointDescription, "ns=7;s=MAIN.barrayV", writeValue);
 
            }

            Init();
 
            var client = new EasyUAClient();
            var endPointDescription = new UAEndpointDescriptor("opc.tcp://10.145.14.31:48050");
 
            UAAttributeData attributeData = client.Read(endPointDescription, "ns=7;s=MAIN.barrayV");
 
            object ret = null;
 
            //read ok
            if (attributeData.HasGoodStatus == true)
            {
                ret = attributeData.Value;
 
                var bytes = ret as Byte[];
                for (int i = 0; i < bytes?.Length; i++)
                {
                    bytes[i] = (byte)(1 - bytes[i]);
                }
 
                client.WriteValue(endPointDescription, "ns=7;s=MAIN.barrayV", bytes);
            }