Traceback (most recent call last):
File "/var/task/lambda_function.py", line 1866, in lambda_handler
html = prepareResponse(event, context)
File "/var/task/lambda_function.py", line 1723, in prepareResponse
prevstart = startexp.group(1)
AttributeError: 'NoneType' object has no attribute 'group'
== No parameters ==