MI model related error

[madhurrya]

When I run this model I get this error. I am not sure why.
https://sample.spiffcrm.com/editor/process-models/misc:qa:madhu-testing:multi-instance-loop-cardinality/files/multi-instance-loop-cardinality.bpmn
If I remove what I have added on the Manual task prescript then it works. But if I add something to the manual task or MI task prescript then it gives this error.

https://sample.spiffcrm.com/i/1080