On Jira 7 the post functions don't run

On Jira 7 with Xporter 6.9.9 the post functions don't perform properly 

Steps to reproduce:

• Install Jira 7.13.x
• Install a new template 
• Create a new post function with the last template installed
• Execute the post function

Actual result:

• The post function doesn't perform and the status doesn't change too.

Expected result:

• The post function should change the status and create the report.