Android Question B4XTable- Problem after editing data in SQLite database

Sub Globals
  Dim permitted as Boolean
End Sub
. . .
. . .

' Prepare to backup file
Sub makeBackup
  rp.CheckAndRequest(rp.PERMISSION_WRITE_EXTERNAL_STORAGE)
  Do While Not(permitted)
    Sleep(10)
  Loop
  backup(filename)                  ' Only runs if permission is given
End Sub

' Handle permission request result
Sub Activity_PermissionResult(Permission As String, Result As Boolean)
  permitted = Result
  If (permitted = False) Then ExitApplication              ' Assumes that permission is essential
End Sub

' Backup file to external storage - folder name is "backup"
Private Sub Backup(filename As String)
  ' If a previous backup exists then remove it
  If File.Exists(File.DirRootExternal & "/backup", filename) Then
    File.Delete(File.DirRootExternal & "/backup", filename)
  Else
  ' If a previous backup does not exist then create a backup folder
    File.MakeDir(File.DirRootExternal, "/backup")
  End If
  ' Copy the current internal file to the external backup
  File.Copy(File.DirInternal, filename, File.DirRootExternal & "/backup", filename)
End Sub