Fatal Exception: java.lang.NullPointerException (Android 11)

[shrini-getwasabi]

Attempt to invoke virtual method 'int android.hardware.camera2.CameraCaptureSession.setRepeatingRequest(android.hardware.camera2.CaptureRequest, android.hardware.camera2.CameraCaptureSession$CaptureCallback, android.os.Handler)' on a null object reference
com.daasuu.camerarecorder.CameraThread.stopPreview (CameraThread.java:255)
com.daasuu.camerarecorder.CameraHandler.handleMessage (CameraHandler.java:86)

[shrini-getwasabi]

Fatal Exception: java.lang.IllegalStateException
CameraDevice was already closed

android.hardware.camera2.impl.CameraDeviceImpl.checkIfCameraClosedOrInError (CameraDeviceImpl.java:2285)
android.hardware.camera2.impl.CameraDeviceImpl.submitCaptureRequest (CameraDeviceImpl.java:1163)
android.hardware.camera2.impl.CameraDeviceImpl.setRepeatingRequest (CameraDeviceImpl.java:1236)
android.hardware.camera2.impl.CameraCaptureSessionImpl.setRepeatingRequest (CameraCaptureSessionImpl.java:313)
com.daasuu.camerarecorder.CameraThread.updatePreview (CameraThread.java:132)
com.daasuu.camerarecorder.CameraThread.access$300 (CameraThread.java:31)
com.daasuu.camerarecorder.CameraThread$2.onConfigured (CameraThread.java:113)
android.hardware.camera2.impl.CallbackProxies$SessionStateCallbackProxy.lambda$onConfigured$0$CallbackProxies$SessionStateCallbackProxy (CallbackProxies.java:53)
android.hardware.camera2.impl.-$$Lambda$CallbackProxies$SessionStateCallbackProxy$soW0qC12Osypoky6AfL3P2-TeDw.run (-.java:4)
android.os.Handler.handleCallback (Handler.java:938)