When try to Download Sample File of Voice broadcast then white page displaying .

steps :- 

1. Login as admin.
2. go to get addon.
3. installed voice broad casting.
4. now re-login as admin/sub-admin login.
5. go to inbound > voice broad cast.
6. now click on "Download Sample File" Button and observe.

Actual result :-  1. in admin login when clicking on  "Download Sample File" Button, then white page displaying and sample file didn't downloaded.

2. In sub-admin login, "Download Sample File" Button is not displaying.

Expected result :- 1. in admin login when clicking on  "Download Sample File" Button, then sample file should be download successfully.

2. In sub-admin login, "Download Sample File" Button should be available.

See videos :-