Oops, a server error has occured
Traceback (innermost last):
  File "../lib/webnotes/webutils.py", line 16, in render
    html = render_page(page_name or "index")
  File "../lib/webnotes/webutils.py", line 40, in render_page
    html = build_page(page_name)
  File "../lib/webnotes/webutils.py", line 103, in build_page
    context.update(module.get_context())
  File "../app/selling/doctype/sales_order/templates/pages/orders.py", line 13, in get_context
    "title": _("My Orders"),
 NameError: global name '_' is not defined