[BUG] about opcua to write tag is not work

Describe the issue when i send rpc to opcua for modify value in Tag1, the gateway will show this error.

opcua server is kepserverEX6

ps： Updata is ok

Configuration (Attach your configuration file) It's opcua configuration: { "name": "OPC-UA", "server": { "disableSubscriptions": false, "identity": { "type": "anonymous" }, "mapping": [ { "attributes": [ { "key": "Tag1", "path": "${ns=2;s=Channel1.Device1.Tag1}" }, { "key": "Tag2", "path": "${ns=2;s=Channel1.Device1.Tag2}" } ], "deviceNamePattern": "Device${ns=2;s=Channel1.Device1._System._DeviceId}", "deviceNodePattern": "${ns=2;s=Channel1.Device1}", "rpc_methods": [ { "arguments": [2], "method": "Tag1" }, { "arguments": [ 2, 4 ], "method": "Tag2" } ], "timeseries": [ { "key": "Tag1", "path": ".Tag1" }, { "key": "Tag2", "path": ".Tag2" } ] } ], "name": "Thingsboard OPC-UA client", "scanPeriodInMillis": 5000, "security": "None", "showMap": true, "subCheckPeriodInMillis": 1000, "timeoutInMillis": 5000, "url": "192.168.254.241:49320" } }

In thingsboard 's widget, I use Basic GPIO control

Connector name (If you need help with some connector/converter): [e.g. OPCUA Connector]

Error traceback (If it was raised):

 File "/usr/local/lib/python3.6/site-packages/thingsboard_gateway-2.5.2-py3.6.egg/thingsboard_gateway/connectors/opcua/opcua_connector.py", line 229, in server_side_rpc_handler
    result = method["node"].call_method(method[rpc_method], arguments)
  File "/root/.local/lib/python3.6/site-packages/opcua/common/node.py", line 685, in call_method
    return opcua.common.methods.call_method(self, methodid, *args)
  File "/root/.local/lib/python3.6/site-packages/opcua/common/methods.py", line 17, in call_method
    result = call_method_full(parent, methodid, *args)
  File "/root/.local/lib/python3.6/site-packages/opcua/common/methods.py", line 40, in call_method_full
    result = _call_method(parent.server, parent.nodeid, methodid, to_variant(*args))
  File "/root/.local/lib/python3.6/site-packages/opcua/common/methods.py", line 51, in _call_method
    results = server.call(methodstocall)
  File "/root/.local/lib/python3.6/site-packages/opcua/client/ua_client.py", line 602, in call
    data = self._uasocket.send_request(request)
  File "/root/.local/lib/python3.6/site-packages/opcua/client/ua_client.py", line 84, in send_request
    self.check_answer(data, " in response to " + request.__class__.__name__)
  File "/root/.local/lib/python3.6/site-packages/opcua/client/ua_client.py", line 93, in check_answer
    hdr.ServiceResult.check()
  File "/root/.local/lib/python3.6/site-packages/opcua/ua/uatypes.py", line 218, in check
    raise UaStatusCodeError(self.value)

Versions (please complete the following information):

OS: [e.g. Ubuntu 18.04]
Thingsboard IoT Gateway version [e.g. 2.2.4]
Python version[e.g. 3.7]

thingsboard / thingsboard-gateway

[BUG] about opcua to write tag is not work #424