CSI camera not working

I’m Working on Autonomous drones. Yesterday my cam was working but today its not. I flashed SD card and tried all SDKs but still crashing. Here I’ve attached the error msg. Please help Its urgent.

Encoder null, cannot set bitrate!
Encoder Profile = High
Supported resolutions in case of ARGUS Camera
(2) : 640x480
(3) : 1280x720
(4) : 1920x1080
(5) : 2104x1560
(6) : 2592x1944
(7) : 2616x1472
(8) : 3840x2160
(9) : 3896x2192
(10): 4208x3120
(11): 5632x3168
(12): 5632x4224

Runtime ARGUS Camera Commands:

Help : ‘h’
Quit : ‘q’
Set Capture Mode:
mo:
(1): image
(2): video
Get Capture Mode:
gmo
Set sensor orientation:
so:
(0): none
(1): Rotate counter-clockwise 90 degrees
(2): Rotate 180 degrees
(3): Rotate clockwise 90 degrees
Get sensor orientation:
gso
Set sensor mode:
smo: e.g., smo:1
Get sensor mode:
gsmo
Set Whitebalance Mode:
wb:
(0): off
(1): auto
(2): incandescent
(3): fluorescent
(4): warm-fluorescent
(5): daylight
(6): cloudy-daylight
(7): twilight
(8): shade
(9): manual
Get Whitebalance Mode:
gwb
Set Saturation (0 to 2):
st: e.g., st:1.25
Get Saturation:
gst
Set Exposure Compensation (-2 to 2):
ec: e.g., ec:-2
Get Exposure Compensation:
gec
Set Auto Whitebalance Lock:
awbl: e.g., awbl:0
Get Auto Whitebalance Lock:
awbl
Set Auto Exposure Lock:
ael: e.g., ael:0
Get Auto Exposure Lock:
gael
Set TNR Mode:
tnrm: e.g., tnrm:1
(0): OFF
(1): FAST
(2): HIGH QUALITY
Get TNR Mode:
gtnrm
Set TNR Strength (-1 to 1):
tnrs: e.g., tnrs:0.5
Get TNR Strength:
gtnrs
Set EE Mode:
eem: e.g., eem:1
(0): OFF
(1): FAST
(2): HIGH QUALITY
Get EE Mode:
geem
Set EE Strength (-1 to 1):
ees: e.g., ees:0.5
Get EE Strength:
gees
Set Auto Exposure Anti-Banding (0 to 3):
aeab: e.g., aeab:2
(0): OFF
(1): MODE AUTO
(2): MODE 50HZ
(3): MODE 60HZ
Get Auto Exposure Anti-Banding:
gaeab
Set Gain Range:
gr: e.g., gr:1 16
Get Gain Range:
ggr
Set Exposure Time Range:
etr: e.g., etr:34000 35000
Get Exposure Time Range:
getr
Set ISP Digital Gain Range:
dgr: e.g., dgr:2 152
Get ISP Digital Gain Range:
gdgr
Capture: enter ‘j’ OR
followed by a timer (e.g., jx5000, capture after 5 seconds) OR
followed by multishot count (e.g., j:6, capture 6 images)
timer/multihot values are optional, capture defaults to single shot with timer=0s
Start Recording : enter ‘1’
Stop Recording : enter ‘0’
Video snapshot : enter ‘2’ (While recording video)
Get Preview Resolution:
gpcr
Get Image Capture Resolution:
gicr
Get Video Capture Resolution:
gvcr

Runtime encoder configuration options:

Set Encoding Bit-rate(in bytes):
br: e.g., br:4000000
Get Encoding Bit-rate(in bytes):
gbr
Set Encoding Profile(only for H.264):
ep: e.g., ep:1
(0): Baseline
(1): Main
(2): High
Get Encoding Profile(only for H.264):
gep
Force IDR Frame on video Encoder(only for H.264):
Enter ‘f’

bitrate = 4000000
Encoder Profile = High
Encoder control-rate = 1
Encoder EnableTwopassCBR = 0
Opening in BLOCKING MODE
Opening in BLOCKING MODE
** Message: 18:50:01.400: main:4670 iterating capture loop …
NvMMLiteOpen : Block : BlockType = 4
===== NVMEDIA: NVENC =====
NvMMLiteBlockCreate : Block : BlockType = 4
Error generated. /dvs/git/dirty/git-master_linux/multimedia/nvgstreamer/gst-nvarguscamera/gstnvarguscamerasrc.cpp, execute:645 No cameras available

(nvgstcapture-1.0:8164): GStreamer-CRITICAL : 18:50:01.456: gst_mini_object_set_qdata: assertion ‘object != NULL’ failed
^C
Message: 18:50:10.742: <_intr_handler:4261> User Interrupted…

Terminating the camera pipeline …
** Message: 18:50:11.147: main:4680 Capture completed
** Message: 18:50:11.147: main:4729 Camera application will now exit
(Argus) Error EndOfFile: Unexpected error in reading socket (in src/rpc/socket/client/ClientSocketManager.cpp, function recvThreadCore(), line 266)
(Argus) Error EndOfFile: Receive worker failure, notifying 1 waiting threads (in src/rpc/socket/client/ClientSocketManager.cpp, function recvThreadCore(), line 340)
(Argus) Error InvalidState: Argus client is exiting with 1 outstanding client threads (in src/rpc/socket/client/ClientSocketManager.cpp, function recvThreadCore(), line 357)
(Argus) Error EndOfFile: Receiving thread terminated with error (in src/rpc/socket/client/ClientSocketManager.cpp, function recvThreadWrapper(), line 368)
(Argus) Error EndOfFile: Client thread received an error from socket (in src/rpc/socket/client/ClientSocketManager.cpp, function send(), line 145)
(Argus) Error EndOfFile: (propagating from src/rpc/socket/client/SocketClientDispatch.cpp, function dispatch(), line 87)

Looks like the same problem with CSI IMX219 is not working on Jetson Nano 2GB and Jetson Xavier nx