Exception: xml contains multiple model nodes

[sentryk8sonalabsorg]

Sentry Issue: ONADATA-1ZH

Exception: xml contains multiple model nodes
(16 additional frame(s) were not displayed)
...
  File "onadata/libs/utils/logger_tools.py", line 782, in publish_xls_form
    dd = DataDictionary.objects.create(
  File "django/db/models/manager.py", line 85, in manager_method
    return getattr(self.get_queryset(), name)(*args, **kwargs)
  File "django/db/models/query.py", line 453, in create
    obj.save(force_insert=True, using=self.db)
  File "onadata/apps/viewer/models/data_dictionary.py", line 196, in save
    self.set_uuid_in_xml()
  File "onadata/apps/logger/models/xform.py", line 249, in set_uuid_in_xml
    raise Exception("xml contains multiple model nodes")