I delete the completed instances of workflow under the path but I continue to receive the same error. Instead, I have no problems when I select a page in /sites.html.I did the inspection and report this error: "Failed to load resource: the server responded with a status of 500 (Server Error)" When I...

I have the same problem here Workflow ModelsHow did you solve that? 

Hello! I'm learning to use Adobe and I'm doing some exercises about workflow . One of them asked: "Customizing Request for Activation / Deactivation Wizards". After a series of actions on crx, this problem occurred.How can I solve?