2025-10-28 10:51:12,003 [41] ERROR Database_Logic - 
 SendCommandToGateway:System.NullReferenceException: Object reference not set to an instance of an object.
   at SendCommandAPI.SendCommandForProtocol.CreatCommandAndSend.SendCmd2Gateway(String serialnumber, String factoryModel, String cmdType, String cmdValue, Int32 deviceId, Device device, Boolean offLineSend, Boolean isApp) in F:\dx\web\DX02_Web_250721\SendCommandAPI\SendCommandForProtocol\CreatCommandAndSend.cs:line 293
   at SendCommandAPI.SendCommandForProtocol.CreatCommandAndSend.ThinkraceSendCommand(Int32 deviceId, String deviceModel, String cmdType, String cmdValue, Device device, Boolean isApp) in F:\dx\web\DX02_Web_250721\SendCommandAPI\SendCommandForProtocol\CreatCommandAndSend.cs:line 52
 Database_Logicname