Binded telemetry problems on mission planner

as you see those pic, telemetry is binded on APM 2.8 (arducopter) ,there is a problem on ground control programs like mission planner and qgroundcontrol apm planner, this problem occured after trying to connect px4 ,ı have 2 telemetry .there is same problem both of them .ı take an error that “no hearth bit pockets received”.ı tried to change com port(com6,com13,com45) ,i tried to change baudrate on telemetry and my computer , why did those telemetries crash after connecting px4
(they were binded but there is no connect on ground control(mission planner qground etc.) while ths problem continued after connecting px4)? .
ı updated telemetry firmware rfd sik 2.0 TRP

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