rpi camera not working on jetson nano

[fnoop]

Nov 14 23:38:04 maverick-nano janus[4855]: #033[33m[WARN]#033[0m [rtsp-stream] 5s passed with no media, trying to reconnect the RTSP stream
Nov 14 23:38:04 maverick-nano python3[4005]: (Argus) Error InvalidState: Receive thread is not running cannot send. (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 96)
Nov 14 23:38:04 maverick-nano python3[4005]: (Argus) Error InvalidState:  (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 91)
Nov 14 23:38:04 maverick-nano python3[4005]: Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, execute:736 Failed to create CaptureSession
Nov 14 23:38:04 maverick-nano janus[4855]: #033[31m[ERR]#033[0m [plugins/janus_streaming.c:janus_streaming_rtsp_connect_to_server:6457] Couldn't get DESCRIBE code: 503