Invalid length for parameter StandardsSubscriptionRequests

Getting the following error when executing the codebuild job to enable multiple accounts:

Full Output:
Traceback (most recent call last):
File "enablesecurityhub.py", line 351, in
sh_client.batch_enable_standards(StandardsSubscriptionRequests=batch_enable_standards_input)
File "/usr/local/lib/python2.7/dist-packages/botocore/client.py", line 316, in _api_call
return self._make_api_call(operation_name, kwargs)
File "/usr/local/lib/python2.7/dist-packages/botocore/client.py", line 599, in _make_api_call
api_params, operation_model, context=request_context)
File "/usr/local/lib/python2.7/dist-packages/botocore/client.py", line 647, in _convert_to_request_dict
api_params, operation_model)
File "/usr/local/lib/python2.7/dist-packages/botocore/validate.py", line 297, in serialize_to_request
raise ParamValidationError(report=report.generate_report())
botocore.exceptions.ParamValidationError: Parameter validation failed:
Invalid length for parameter StandardsSubscriptionRequests, value: 0, valid range: 1-inf