ConstructorError: could not determine a constructor for the tag '!BETA'

Sentry Issue: SWH-INDEXER-W3

ConstructorError: could not determine a constructor for the tag '!BETA'
  in "<unicode string>", line 2, column 14:
    description: !BETA VERSION - NOT FOR LIVE OR  ... 
                 ^
(5 additional frame(s) were not displayed)
...
  File "yaml/constructor.py", line 413, in construct_yaml_map
    value = self.construct_mapping(node)
  File "yaml/constructor.py", line 218, in construct_mapping
    return super().construct_mapping(node, deep=deep)
  File "yaml/constructor.py", line 143, in construct_mapping
    value = self.construct_object(value_node, deep=deep)
  File "yaml/constructor.py", line 100, in construct_object
    data = constructor(self, node)
  File "yaml/constructor.py", line 427, in construct_undefined
    raise ConstructorError(None, None,

Problem during metadata translation for content cd644e81227856be3763b2e1df0bcf99b7e5145a