Unable to view the form under tasks.

Hello,

I have been working on the Best practices of the Instructions provided on Vehicle Fleet management. As a part of it I have created the process model (as shown below)

 

I have validated (it has no errors), I have debugged (it has no errors and executed successfully), though In tasks it showcases successfully as " " as showcased below

But when I click, it has no form in it to enter the inputs as showcased below

  

 

Thus can anyone please let me know what step I have missed for a form to be displayed. 

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