=== Unhandled exception === when running `cfn validate`

Logs:
```
[2023-11-07T02:04:57Z] DEBUG - Logging set up successfully
[2023-11-07T02:04:57Z] DEBUG - Running validate: Namespace(version=False, subparser_name='validate', command=, verbose=0)
[2023-11-07T02:04:57Z] DEBUG - Root directory: C:\Users\jonan\apiv2\infra\modules\proxy
[2023-11-07T02:04:57Z] DEBUG - Loading project file 'C:\Users\jonan\apiv2\infra\modules\proxy\.rpdk-config'
[2023-11-07T02:04:57Z] INFO - Validating your module fragments...
[2023-11-07T02:04:57Z] DEBUG - Fragment directory: C:\Users\jonan\apiv2\infra\modules\proxy\fragments
[2023-11-07T02:04:57Z] DEBUG - Unhandled exception
Traceback (most recent call last):
File "C:\Users\jonan\AppData\Local\Programs\Python\Python310\lib\site-packages\rpdk\core\cli.py", line 105, in main
args.command(args)
File "C:\Users\jonan\AppData\Local\Programs\Python\Python310\lib\site-packages\rpdk\core\validate.py", line 14, in validate
project.load()
File "C:\Users\jonan\AppData\Local\Programs\Python\Python310\lib\site-packages\rpdk\core\project.py", line 560, in load
self._load_modules_project()
File "C:\Users\jonan\AppData\Local\Programs\Python\Python310\lib\site-packages\rpdk\core\project.py", line 583, in _load_modules_project
self._validate_fragments(template_fragment)
File "C:\Users\jonan\AppData\Local\Programs\Python\Python310\lib\site-packages\rpdk\core\project.py", line 614, in _validate_fragments
template_fragment.validate_fragments()
File "C:\Users\jonan\AppData\Local\Programs\Python\Python310\lib\site-packages\rpdk\core\fragment\generator.py", line 74, in validate_fragments
self.__validate_parameters(raw_fragments)
File "C:\Users\jonan\AppData\Local\Programs\Python\Python310\lib\site-packages\rpdk\core\fragment\generator.py", line 160, in __validate_parameters
if "Type" not in parameter:
TypeError: argument of type 'NoneType' is not iterable
```