java.lang.NullPointerException - Error when delete any Template

[HolandCrick]

Prerequisites

• Put an X between the brackets on this line if you have done all of
  the following:

  • Running the latest version of Constellation

  • Attached the Support Package via Help >
    Support Package

  • Checked the FAQs:
    https://github.com/constellation-app/constellation/wiki/FAQ

  • Checked that your issue isn’t already filed:
    https://github.com/constellation-app/constellation/issues

  • Checked that there is not already a module that provides the
    described functionality:
    https://github.com/constellation-app/constellation/wiki/Catalogue-of-Repositories

Description

java.lang.NullPointerException - Error when delete any template.

Steps to Reproduce

1. File Menu -> Select Manage Template

2. Select any saved template from the dropdown box

3. Click Delete

Expected behaviour: Delete Should perform with a confirmation warning.

Actual behaviour: [java.lang.NullPointerException - Exception Error appears

Reproduces how often: 100%

Additional Information

Any additional information, configuration or data that might be
necessary to reproduce the issue.