Fix Generate Case Study Portfolio in alternate domains

How to reproduce(I'm adding every step, even the form filling)

1- Add Template Rendering and Template Rendering Samples add-ons to the instance

1.1- Create a new domain and do the following steps in the new domain

2- Go to a workspace and create a new Portfolio document:

• Fill the form as follows:
  • Title: Nuxeo's Portfolio
  • Description: This is a Portfolio
  • Instructions: Continue Testing
  • Introduction: This is a Test
    Click CREATE

3- On the same workspace create a new Project:

• Fill the form as follows:
  • Title: Nuxeo's Project.
  • Description: This is a Project
  • Abstract: Testing
  • Customer Cost: 21000
  • On Customer Logo click on the UPLOAD button and select the findbug.png that is attached in this ticket
  • Date of Delivery: (select tomorrow)
  • Industry: Bank
  • Click on the ADD button and on the new popup form fill the fields:
  • Number: 1
  • Number of Days: 15
  • Price Per Day: 100
  • Role: Tester
  • Click OK.
  • Project Duration: 3 months
  • Project Name: Minions Project
  • Quote: Banana
    Click CREATE

4- On the project document click on GENERATE PROJECT REVENUE SHEET

5- Add the Project to a collection:

• Collection: Nuxeo's Portfolio

6- Go to collections and open Nuxeo's Portfolio collection

7- On the Portfolio page click on GENERATE CASE STUDY PORTFOLIO

• Nothing happens(error)

.png in attach and screenshots of the error