v6, DrvDsMqtt not publishing anything.

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  • #11618
    Mikhail
    Moderator
    2022-11-16 15:16:52 [wst1][appstack][ERR] Error calling the Start method of the MqttServer data source:
    System.InvalidOperationException: Collection was modified; enumeration operation may not execute.
       at System.Collections.Generic.List
    1.Enumerator.MoveNext()
       at Scada.Comm.Engine.CommLine.SelectDevices()
       at Scada.Comm.Drivers.DrvDsMqtt.Logic.MqttDSL.FillDeviceTopics()
       at Scada.Comm.Drivers.DrvDsMqtt.Logic.MqttDSL.Start()
       at Scada.Comm.Engine.DataSourceHolder.Start()

    Does this error appear every time when you restart Communicator?

    #11658
    Mikhail
    Moderator

    Before testing, please update and rebuild Communicator and drivers.

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