This error message is displaying:
An unknown server-side error occurred while processing the command. Original error: Error executing adbExec. Original error: 'Command 'F:\\gautam\\android\\platform-tools\\adb.exe -P 5037 -s 192.168.0.115\:5555 shell settings delete global hidden_api_policy_pre_p_apps' exited with code 255'; Stderr: 'Security exception: Permission denial: writing to settings requires:android.permission.WRITE_SECURE_SETTINGS
java.lang.SecurityException: Permission denial: writing to settings requires:android.permission.WRITE_SECURE_SETTINGS
at com.android.providers.settings.SettingsProvider.enforceWritePermission(SettingsProvider.java:1815)
at com.android.providers.settings.SettingsProvider.mutateGlobalSetting(SettingsProvider.java:1023)
at com.android.providers.settings.SettingsProvider.deleteGlobalSetting(SettingsProvider.java:1006)
at com.android.providers.settings.SettingsProvider.delete(SettingsProvider.java:592)
at android.content.ContentProvider$Transport.delete(ContentProvider.java:343)
at com.android.providers.settings.SettingsService$MyShellCommand.deleteForUser(SettingsService.java:406)
at com.android.providers.settings.SettingsService$MyShellCommand.onCommand(SettingsService.java:289)
at android.os.ShellCommand.exec(ShellCommand.java:103)
at com.android.providers.settings.SettingsService.onShellCommand(SettingsService.java:51)
at android.os.Binder.shellCommand(Binder.java:634)
at android.os.Binder.onTransact(Binder.java:532)
at android.os.Binder.execTransact(Binder.java:735)'; Code: '255'`enter code here
An error tells you: Stderr: 'Security exception: Permission denial: writing to settings requires:android.permission.WRITE_SECURE_SETTINGS
Try following steps:
In your phone developer options (Security settings), enable USB Debugging or (or and) Disable permission monitoring. All of these settings are in your dev options.