AR is not working

[dineshsayana]

Issue
When clicking on AR FABbutton nothing happening on the mobile screen

On clicking the button, the below error is appearing in the log file.

Error:
2020-09-29 23:29:56.127 9553-9553/com.example.flutter_app E/InputMethodManager: b/117267690: Failed to get fallback IMM with expected displayId=6 actual IMM#displayId=0 view=io.flutter.plugins.webviewflutter.InputAwareWebView{fdfe036 VFEDHVC.. .F...... 0,0-1080,1944}

Kindly look into this.