Import Rate->Life->All fields on "Rates" page are displaying as blank after switching from "Sub Rate" to "Rates" tab.

1] Login to the application on Stage environment .
2] Search a Company.
3] Navigate to Customizer>Rates.
4] Click on "Import" button the "Rate Import" window gets display.
5] Click on “Add New Rate” tab.
6] Select “Life” as a benefit template type.
7] Click on “Download File” button, entered the details in exported file.
8] Browse and Upload the file, click on "Import Rate" button.
9] Now locate the imported rate from the application and click on it.
10] From "Rates" tab navigate to "Sub Rate" tab.
11] Again navigate to "Rates" tab.

Actual Result:
All the fields are displaying as blank, also "Rates" and "Sub Rates" tab gets disappears.
Expected Result:
Proper values should be display for all the fields.