Add Sequence component does not work

[vascoalramos]

When trying to configure Add Sequence component we get the java exception: java.util.concurrent.CompletionException: java.lang.ClassNotFoundException: diSdk.step.parser.Sequence

Expected Behavior

It should appear the web editor to configure the Add Sequence step.

Current Behavior

It's displayed a blanc page due to the server error.

Possible Solution

I think it has to due with a non-existent implementation problem.

Steps to Reproduce

1. Basic flow:
   
2. Web page "error": when clicling on EDIT:
   
3. Internal server error: