SLA Calendar Holiday Date Picker does not work

Summary:

When trying to use the Date Picker feature for the Date Field on Holidays section, no popup will come out.

Steps to Reproduce:

1. Navigate to a Service Desk Project Administration Page.
2. Click on SLA, then Calendars.
3. Edit the Sample 9-5 Calendar
4. Scroll to Holiday.
5. Click on the Calendar Icon.

Expected Result:

A pop-up which the user could choose calendar will appear.

Actual Result:

It does nothing.

In Console log , showed :-

Workaround:

Manually enter date with format dd/MMM/yy

• Example: 01/JAN/16

Notes:

• We could input the date manually on the field, but the error shown if the wrong date format is not really informative unlike in JIRA side.
  • JIRA Service Desk Holiday Date Picker.

     Invalid format: "12/12/2016" is malformed at "12/2016" 

  • JIRA

     You did not enter a valid date. Please enter the date in the format "d/MMM/yy", eg. "29/Jan/16"