Mission planner is not connecting to flight controller on pixracer(ESP8266) on UDP

[Jahnavi007k]

i was successful in connecting mission planner with flight controller using ESP8266 via UDP but while disconnecting and connecting suddenly it stopped connecting to it. Now Mission planner is not connecting to flight controller using ESP8266 via UDP. It showing like this how to fix this. The socket/serialproxy is closed at MissionPlanner.Comms.UdpSerial.VerifyConnected() in C:\Users\mich1\Desktop\CubePilot\MissionPlanner\ExtLibs\Comms\CommsUdpSerial.cs.line 343 at MissionPlanner.Comms.UdpSerial.DiscardlnBuffer() in C:\Users\mich1\Desktop\CubePilot\MissionPlanner\ExtLibs\Comms\CommsUdpSerial.cs.line 280 at MissionPlanner.MAVLinkInterface.OpenBg(ProgressReporterDialogue PRsender. Boolean getparams) in C:\Users\mich1\Desktop\CubePilot\MissionPlanner\ExtLibs\ArduPilot\Mavlink\MAVLinkInterface.cs:line 864 at MissionPlanner.Controls.ProgressReporterDialogue.RunBackgroundOperation(Object o) in C:\Users\mich1\Desktop\CubePilot\MissionPlanner\ExtLibs\Controls\ProgressReporterDialogue.cs:line 111

The above is the issue showing when try to connect with mission planner help me to fix this issue and connect to mission planner.