android.app.RemoteServiceException: Bad notification for startForeground?

Hi Team,
I have generated the android build from Android studio and its installed properly but its not working some version 9 devices. check below device list:

Checked Mobile devices:
Samsung ,MI,Nokia : App crashed after login
Oppo F11 Pro: App not crashed properly working.

i got below error in the console.

android.app.RemoteServiceException: Bad notification for startForeground: java.lang.RuntimeException: invalid channel for service notification: Notification(channel=null pri=-2 contentView=null vibrate=null sound=null defaults=0x0 flags=0x42 color=0x00000000 vis=PRIVATE)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2105)
at android.os.Handler.dispatchMessage(Handler.java:109)
at android.os.Looper.loop(Looper.java:166)
at android.app.ActivityThread.main(ActivityThread.java:7377)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:469)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:963)

Can anybody help me regarding above issue i spent above issue last 3 days?