Created attachment 1319945 [details]
production log

Description of problem:
After adding the provider RHOS7-GA, went to the storage managers, it gives the error 
URL /ems_cloud/report_data

Status 500 Internal Server Error

Content-Type text/html; charset=utf-8

Data uninitialized constant StorageManager [ems_cloud/report_data]

Version-Release number of selected component (if applicable):
Version master.20170830023820_aa4dab9

How reproducible:
100%

Steps to Reproduce:
1.Add provider(here rhos7-ga)
2.Inside provider, Storage manager
3.

Actual results:
500 Internal error

Expected results:
Should show the storage managers, or if not found, should show appropriate message

Additional info:
Please check the attached production log