Further, If you disable all non-related WPML plugins, switch to one of default themes, the problem persists or not?
NOTE:
+ Make a backup (both files and database) for your site before updating/proceeding anything (Always a good practice!).
If none of the above helps, To debug this issue further, I would need to check your site settings once, for this I would need temporary access (wp-admin and ftp) to your site.
So could you please provide me with those details, you will find the needed fields for this below the comment area when you log in to leave your next reply. hidden link