CSI CAMERA NOT WORKING

I’m using imx219 CSI Camera with jetson nano.
Yesterday everything was working fine but today im unable open the camera.
im using nvgstcapture-1.0 command to open it…
Please help asap it’s very urgent

The ERROR is:
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)

It has been a while since I have used NVARGUS, but if I remember correctly, you have to explicitly exit or kill any existing running daemons before you can use it again. The very first thing to try is to reboot, just to see if that releases the existing lock on the camera. Thanks!