The full traceback is:
Traceback (most recent call last):
  File "/home/opentlc-mgr/pool_management/python_virtualenv/lib64/python3.9/site-packages/ansible/executor/task_executor.py", line 105, in run
    items = self._get_loop_items()
  File "/home/opentlc-mgr/pool_management/python_virtualenv/lib64/python3.9/site-packages/ansible/executor/task_executor.py", line 251, in _get_loop_items
    items = templar.template(self._task.loop)
  File "/home/opentlc-mgr/pool_management/python_virtualenv/lib64/python3.9/site-packages/ansible/template/__init__.py", line 612, in template
    result = self.do_template(
  File "/home/opentlc-mgr/pool_management/python_virtualenv/lib64/python3.9/site-packages/ansible/template/__init__.py", line 877, in do_template
    res = j2_concat(rf)
  File "<template>", line 24, in root
  File "/usr/lib64/python3.9/json/__init__.py", line 346, in loads
    return _default_decoder.decode(s)
  File "/usr/lib64/python3.9/json/decoder.py", line 337, in decode
    obj, end = self.raw_decode(s, idx=_w(s, 0).end())
  File "/usr/lib64/python3.9/json/decoder.py", line 355, in raw_decode
    raise JSONDecodeError("Expecting value", s, err.value) from None
json.decoder.JSONDecodeError: Expecting value: line 1 column 1 (char 0)
fatal: [localhost]: FAILED! => {
    "msg": "Unexpected failure during module execution.",
    "stdout": ""

error:

            "us-east-2 - FSxFileSystem - fs-06cc090bdfcf8a221 - [Type: \"ONTAP\", tag:Name: \"OntapFileSystem_SAZ\", tag:aws:cloudformation:logical-id: \"FSxONTAP\", tag:aws:cloudformation:stack-id: \"arn:aws:cloudformation:us-east-2:26135
6917804:stack/ROSA-FSXONTAP/b38f3d30-7ff8-11ee-8326-067f114c23f1\", tag:aws:cloudformation:stack-name: \"ROSA-FSXONTAP\"] - failed"

before trying to delete the DS