Exception java.lang.RuntimeException: Camera is being used after Camera.release() was called

[greensoftstore]

My app is written in Kotlin which is using this library.

Exception java.lang.RuntimeException: Camera is being used after Camera.release() was called
at android.hardware.Camera.setHasPreviewCallback
at android.hardware.Camera.-$$Nest$msetHasPreviewCallback
at android.hardware.Camera$EventHandler.handleMessage (Camera.java:1181)
at android.os.Handler.dispatchMessage (Handler.java:106)
at android.os.Looper.loopOnce (Looper.java:230)
at android.os.Looper.loop (Looper.java:319)
at android.app.ActivityThread.main (ActivityThread.java:8919)
at java.lang.reflect.Method.invoke
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run (RuntimeInit.java:578)
at com.android.internal.os.ZygoteInit.main (ZygoteInit.java:1103)